nikhil    10 years ago

Three cards are drawn at random from a pack of 52 cards. Find the probability that one of the cards drawn is an ace, one is a jack and one is queen

a. 3/52
b. 3 4C1 / 52C3
c. 4 C1 / 52 C3
d. (4 C1) 3 / 52 C3

Reply Like? Yes (81) | No (7)  

jyoti chandra   10 years ago

option d>>>>>>>>>>>>>>>>.

Like? Yes (3) | No (1)  

Arindam Sural   10 years ago

Option d is da ans

Like? Yes (3) | No (1)  

gangadhar   10 years ago

option d is the correct answer

Like? Yes (1) | No (1)  

iyeswariya AR   10 years ago

option d is the answer

Like? Yes (1) | No (1)  

Sudipta Kumar Banerjee   10 years ago

Number of ace=4
Number of jack=4,
Number of queen=4

so the probability= (4C1)*3/ (52C3)
that is option d.

Like? Yes (11) | No (1)  

sharath   10 years ago

probability= (4C1)*3/ (52C3)

Like? Yes (2) | No (1)  

shashidharhiremath   10 years ago

option d is right..

Like? Yes (1) | No (1)  

PREM KUMAR BHARTI   10 years ago

No. of ace=4
No. of jack=4,
No. of queen=4
so,probability is- (d) (4 C1) 3 / 52 C3

Like? Yes (1) | No (1)  

amisha prabhakar   10 years ago

OPTION D IS CORRECT .

Like? Yes (1) | No (1)  

rahul kumar   10 years ago

its D ...---------------------

Like? Yes (1) | No (1)  

damu   10 years ago

d................

Like? Yes (2) | No   

falguni singh   10 years ago

(d) 4C1*3/52C3 is the anser

Like? Yes | No   

sindhuja   10 years ago

d> because 52 cards four set of ace,jack,queen and king having

Like? Yes | No   

Kotha Naga Phanindra   10 years ago

option d is the correct answer

Like? Yes | No   

chandana   10 years ago

d is the right answer

Like? Yes | No   

Mustajur rahaman   10 years ago

d. (4 c1) 3 / 52 c3 is the right ans......

Like? Yes | No   

lavanya   10 years ago

option d is the answer

Like? Yes | No   

gurmeet kaur khanuja   10 years ago

Option D is the ans

Like? Yes | No   

manisha kurukuri   10 years ago

option d
(4 C1) 3 / 52 C3

Like? Yes | No   

hemanth   10 years ago

jack=4,ace=4,queen=4,total=52
then
Probability= (4C1+4C1+4C1)/52C3
=3(4C1)/52C3

Like? Yes (1) | No (1)  

Archana   10 years ago

d is ans....>>>>

Like? Yes | No   

kamal sharma    10 years ago

D is the answer

Like? Yes | No   

Varun Batra   10 years ago

option d >>>>>>>>>>>>>>>>>>>>>>>>>>>.

Like? Yes | No   

shubham kumar   7 years ago

ans will be (4C1)*3!/(52C3)

Like? Yes | No   

nikhil    10 years ago

20. An intern can do a job in 15 days. The manger and senior manager are busy with other priorities and thus take 25 and 40 days respectively to complete the task. How long will they take to finish the task if all of them work together?

a)7 b) 7power22/29 c)8 d) 8power21 / 29

Reply Like? Yes (3) | No   

nikhil    10 years ago

Q: An intern can do a job in 15 days. The manger and senior manager are busy with other priorities and thus take 25 and 40 days respectively to complete the task. How long will they take to finish the task if all of them work together?

Reply Like? Yes | No   

Devendra Marghade   10 years ago

13 41/43 Days
1 day work of Intern+ manager +Senior Manager= (1/15) +(1/25) +(1/40)=(1/5)[(1/3)+(1/5)+(1/8)]
=43/600
So days required to finish the work=600/43 =13 41/43 or 13.9534

Like? Yes | No (1)  

jyoti chandra   10 years ago

@DEVENDRA M UR WRONG...(1/5)(1/5+1/3+1/8)=79/600......so the eff will be 79/600 and time required =600/79=7.59 days

Like? Yes (1) | No   

Shorya rathore    5 years ago

Prove by the mathematical induction method that 7²n +2³n-³.3n-¹ is divisible by 25for all n€N

Reply Like? Yes (46) | No (15)  

Sukywukymywukysuky   2 years ago

No no no no no no no no no No no no no no no no no noNo no no no no no no no noNo no no no no no no no no(Sorry for long text because it saay to short and sorry for bad english)

Like? Yes (15) | No (10)  

Bahadure Sumedh Subhash   6 Months ago

Hiii, Shorya Rathore We Wanna Be Friends

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Surbhi patel    8 years ago

placed in TCS.... thanku m4maths.

Reply Like? Yes (693) | No (237)  

shubham sharma   8 years ago

how campus or off campus?

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Kamrul hussain   8 years ago

Welcm m4maths ...

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jeet   8 years ago

congratulations...!

Like? Yes (116) | No (59)  

ranjeet kumar anand   8 years ago

is any sample questions matched?

Like? Yes (106) | No (65)  

Piyush   7 years ago

Congrats ! I wish you a bright future .

Like? Yes (83) | No (55)  

Hemanth   7 years ago

A is Correct which is indirect form of 8C4+8C5+8C6+8C7+8C8

Like? Yes (88) | No (53)  

Harini   7 years ago

please anyone tell me that IBM offcampus drive of application development C++,interview date i didnt get any mail regarding interview

Like? Yes (91) | No (43)  

K. AHILA   7 years ago

well done, you are great .Handle with care.

Like? Yes (43) | No (32)  

B.BANSHA   7 years ago

super go on success

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serina   7 years ago

hi dear i am ms serina johnson pleas contact me back i have something important to tell you
serinajohnso22@gmail.com

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Anusha Yaganti   7 years ago

congratulations....

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Shubham Vinodrao Chaudhari   7 years ago

congratulations!!!!!!

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kundan kumar   7 years ago

anual package ????

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Nasir   7 years ago

Please guide me

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Nasir   7 years ago

Please guide me

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regina4love   7 years ago

hello, my name is regina i came across your profile and wish to be your friend, knowing one another is a gradual process please write me back with my Email:(
reginareeves161@gmail.com)

Like? Yes (37) | No (17)  

regina4love   7 years ago

hello, my name is regina i came across your profile and wish to be your friend, knowing one another is a gradual process please write me back with my Email:(
reginareeves161@gmail.com)

Like? Yes (37) | No (18)  

Narwanharman   7 years ago

solution please..

Like? Yes (32) | No (15)  

swejal   7 years ago

hyyy surbhi di...i want to ask u some question related to placement....i m in b.tech 4th year from ec nd in our colllege tcs will be coming soon so plzz tell me your fb id yaa gmail id

Like? Yes (56) | No (33)  

KAVIYAPRIYA   7 years ago

can you explain this

Like? Yes (41) | No (16)  

KAVIYAPRIYA   7 years ago

congratulations!

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Meghana   7 years ago

Can anyone please provide me IBM pdfs

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Akhil Reddy   7 years ago

Congrats....!!!!

Like? Yes (14) | No (9)  

sakthi prakash   7 years ago

Platinum is sold in bars of weights ranging from 17 grams to 1760 grams in 7 gram increments. Each bar is sealed in an opaque box weighing 47 grams . The box used for packaging has no marks on it indicating the weight of the bar inside.
The precious metals merchant selling the boxes has put the packed bars into shelves based on weight. However , to be certain , he weighs the packed box in an equal arms two pan balance, and a set of weights( which is common for all the bars and which he considers as “standard” weights.). Each of these weighs an integral number of grams, and have their weight marked on them. The merchant, a superstitious man, always places the packed box of platinum on the left pan, and places the appropriate weights in the left pan or the right pan or both until balance is achieved. This suffices hi m to tell the weight of the packed bar.
What is the minimum number of “standard” weights the merchant must have to be able to accurately determine the weight of all his packed boxes? how
?????????

Like? Yes (27) | No (11)  

RAGHULRAJ V   7 years ago

congratulations

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Diwakar Thangavel   7 years ago

thanks you so much

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Vidit   7 years ago

can anyone tell me about the latest test pattern of wipro.

Like? Yes (17) | No (4)  

vennila   7 years ago

Eesha invited 8 friends to her birthday party - Usha, Nisha, Aasha, Abilasha, Suresh, Ramesh, Naresh and Ritesh. They all arrived one after the other around the party time within 1 minute of each other - from 19:41 to 19:48 hours, one friend every minute.

Nisha joined the party before Naresh
Suresh joined the part before Abilasha
Naresh and Abilasha joined the party before Usha
Naresh joined the party before Ritesh
Abilasha joined the party before Ramesh
Usha joined the party before Aasha

Which one of the following is not possible?

Eesha invited 8 friends to her birthday party - Usha, Nisha, Aasha, Abilasha, Suresh, Ramesh, Naresh and Ritesh. They all arrived one after the other around the party time within 1 minute of each other - from 19:41 to 19:48 hours, one friend every minute.

Nisha joined the party before Naresh
Suresh joined the part before Abilasha
Naresh and Abilasha joined the party before Usha
Naresh joined the party before Ritesh
Abilasha joined the party before Ramesh
Usha joined the party before Aasha

Which one of the following is not possible?
Eesha invited 8 friends to her birthday party - Usha, Nisha, Aasha, Abilasha, Suresh, Ramesh, Naresh and Ritesh. They all arrived one after the other around the party time within 1 minute of each other - from 19:41 to 19:48 hours, one friend every minute.

Nisha joined the party before Naresh
Suresh joined the part before Abilasha
Naresh and Abilasha joined the party before Usha
Naresh joined the party before Ritesh
Abilasha joined the party before Ramesh
Usha joined the party before Aasha

Which one of the following is not possible?
A hollow pipe has circumference 14 cm. A bug is on its wall (outside) at a distance of 48 cm from top. A drop of honey is on the wall (inside the pipe) at 24 cm from top but diametrically opposite to bug. Find the shortest distance bug has to travel to reach honey.

A hollow pipe has circumference 14 cm. A bug is on its wall (outside) at a distance of 48 cm from top. A drop of honey is on the wall (inside the pipe) at 24 cm from top but diametrically opposite to bug. Find the shortest distance bug has to travel to reach honey.

Like? Yes (14) | No (5)  

vennila   7 years ago

In the sixth, seventh, eighth and ninth basketball games of the session a player scored 23, 14, 11, 20 points respectively. Hereafter nine games than it was after the first five games. If her average after ten games was points per game average was higher greater than eighteen what is the least number of points that she could have scored in the tenth game?

Like? Yes (13) | No (8)  

Pulkit Sharma   7 years ago

TCS me hi place hui hai koi teer nhi maara.By the way congratulations

Like? Yes (15) | No (5)  

Tenzin Dorje   7 years ago

Vlcm sir n thanks

Like? Yes (10) | No (2)  

Shaheen harun shaikh   7 years ago

Congrats Surbhi!. PLease guide me..

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Shashank Mishra   7 years ago

Does questions was from maths4maths ?

Like? Yes (13) | No (4)  

Shubham   7 years ago

how m4maths helps u

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m.bhuvaneswari   7 years ago

How to prepare elitmus exam plss tell me

Like? Yes (17) | No (2)  

GAJANAN SABAR   7 years ago

i do not know about the math so i want to learn more math trick in shortcut way.

Like? Yes (11) | No (2)  

Havi   7 years ago

What are the rounds in TCS?

Like? Yes (14) | No (5)  

Subramani@Gowthaman   7 years ago

please guide zoho placement

Like? Yes (12) | No   

SUMIT KUMAR   7 years ago

380 gold coins

No. of total gold coins left = 950-(25+15+30)=880
total ratio = 880/176 = 5
so Amita ratio = 73 ie., 73*5 =365
Amita have donated 15 coins.. so she got 380 from his f

Like? Yes (11) | No   

Hari om   7 years ago

interesting website easily i can find my answer with the solution thank you

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MOOLI   6 years ago

wow,Anna,congrats,how to crack tcs placement

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palak   6 years ago

Great..
All the best

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Aniruddha Paul   6 years ago

Congratulations...

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Deepak   6 years ago

How many questions ask by this site.

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divya Bharathi.j   6 years ago

guide me to place in TCS

Like? Yes (6) | No (1)  

shiva   6 years ago

can help me any suggestion for tcs aptitude round

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vanitha p   6 years ago

congratulations surbhi patel

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Prashant Vyankatesh Awar   6 years ago

congratulation............!

Like? Yes (4) | No   

Priyanshu kumari   6 years ago

Thanks sir 4 who developed this app.

Like? Yes (4) | No   

Ankush Gaurav   6 years ago

what are the main topics in c programming that are generally asked in any interview?

Like? Yes (3) | No (2)  

Aishwarya.V   6 years ago

hey congrats. is it off campus or on campus recruitment?
Have these Practice questions from m4maths come in the recruitment process?

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niv   6 years ago

can you give me the tips to get placed in tcs
im cleared 1st round

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Dharani Mayilsamy   6 years ago

very useful.....

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Dharshini VK   6 years ago

how was your experience in technical interview.....i have cleared tcs ninja test and next is tech interview....and iam ece dept ....give me some tips and experience of your interview processs....and iam from chennai.

Like? Yes (11) | No   

Swati G M   6 years ago

First of all Congrats... Hey would plz tell me SLK company's qns pattern?

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Deepu Kumar Patel   6 years ago

Thank you you are my best friend

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saichandana   6 years ago

In an ellecton there are 3 lakh 80000 votes

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mohan kumar   6 years ago

Congratulations bhai

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Manikandan   6 years ago

Super i learn everything

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maama ronah   6 years ago

Powerful Love Spells Lost love Spell Caster Maama Ronah+27736740722

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mohan krishna   6 years ago

congratulations.....!

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Urwat   6 years ago

I want the answer for

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SABORNI KUNDU   6 years ago

Anyone can tell me from where we will get amcat computer programming tutorial

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Kunal Bangar   6 years ago

I am Kunal Bangar pursuing Bachelor of Engineering in Computer Science and Engineering branch.

Like? Yes (1) | No (1)  

Sindhu R   5 years ago

how to prepare to clear aptitute round plz anyone tell me

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Shubhrta rai   5 years ago

Please suggest me for TCS exam tips ma'am

Like? Yes (4) | No   

Kirankumar Reddy   5 years ago

M4maths is very usefull for written test practice

Like? Yes (2) | No   

nagesh   5 years ago

what is the probability that a rectangle selected at random from a 8*8 chess board is a square

Like? Yes (4) | No (2)  

Chandu Veera Ramakrishna   5 years ago

hi sir this is Ramakrishna from kandukur. can you call me 9493068583.
Now i am trying to got the job in TCS.so can you help me in this regard

Like? Yes (2) | No (5)  

somya gupta   5 years ago

But in m4 maths mobile appilication there is not topic wise sequence questions

Like? Yes (2) | No (3)  

bhuvanesh   5 years ago

placced in CTS tnku

Like? Yes (2) | No (3)  

Manasa   5 years ago

thank uou m4 maths, helps alot.

Like? Yes (5) | No (1)  

Chitranjan kumar singh   5 years ago

Thank u for a nice guidness

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Sriramulu   5 years ago

Plz tell me off campus interview

Like? Yes (4) | No (1)  

ganesh reddy   4 years ago

In what respective ratio must water be mixed with juice costing Rs 16 per litre to
obtain a mixture worth Rs 12 per litre ?

Like? Yes (3) | No (3)  

jatin ahuja   4 years ago

can you suggest me please?

Like? Yes (3) | No   

Potukuchi Neelima Pravallika   4 years ago

hey can you please guide us,we are in fourth year ,most probably tcs releases notification this month.

Like? Yes (4) | No   

akhil   4 years ago

please help how to prepare

Like? Yes (5) | No (3)  

akhil   4 years ago

please help how to prepare for tcs

Like? Yes (3) | No (1)  

perfume   4 years ago

alert(0)

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sfggfsdg   3 years ago

Lavdu Zindagi jhand hogayi rahegi abtak teri

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x=' jAvaScript:alErtx2823x29';x={x:location}=this   2 years ago

">alert("2")

Like? Yes (4) | No (1)  

Vishal patle   2 years ago

Have you complete knowledge of coding and reasoning—any suggestions for us.

Like? Yes (1) | No (2)  

Tamilselvan S   1 year ago

how many three digit numbers can be form from digit 1-9 strictly in increasing order and follows an A.P.

Like? Yes (1) | No   

Dev    8 years ago

Anybody preparing for SSC CGL??

Reply Like? Yes (89) | No (21)  

shubham kumar choudhary   8 years ago

Yes, you need any further help

Like? Yes (20) | No (3)  

Vasahan M   8 years ago

Two pipes A and B can fill the tank in 37.5 minutes and 45 minutes respectively ,If both the tanks are opened together then,after how minutes the tap B should be close to fill the tank fully in half an hour ?



ans pls

Like? Yes (87) | No (11)  

Pragya   8 years ago

yes , i preparing ssc CGl exam,

Like? Yes (12) | No (5)  

Biplab Bhattacherjee   8 years ago

VASAHAN M..Ans to your Problem..

Ans: 9 mins

Solution:

Lets assume the capacity of the tank is x lit.
The filling rate of pipe A = x/37.5 lit/min
The filling rate of pipe B = x/45 lit/min

The tap is opened for the full time of half an hour i.e = 30 mins.
Lets assume tap B is opened for y mins.

Therefore tap A fills (x/37.5)*30 lits
tap B fills (x/45) *y lits
The total would be equal to the tank capacity.
Therefore (30x/37.5) + xy/45 =x -----> y/45 = 1-30/37.5 ---> y = 0.2 * 45 mins = 9 mins.

Like? Yes (15) | No (8)  

Ankit chasta   7 years ago

Yes boss I m preparing for SSC cgl

Like? Yes (7) | No (3)  

Piyush   7 years ago

Yes . I am preparing.

Like? Yes (4) | No (5)  

kishan singh   7 years ago

yes i am preparing for that

Like? Yes (6) | No (2)  

rahul chauhan   7 years ago

A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1.He can loose only 5 times. He is out of the game if he earns Rs 5. Find the number of ways in which this is possible?

Like? Yes (9) | No (4)  

Tamilselvi S   7 years ago

yes im preparing for ssc.bt i dont know abt the process.can u guide me.

Like? Yes (9) | No (1)  

Tamilselvi S   7 years ago

yes im preparing for ssc. i dont know abt the process.can u guide me.

Like? Yes (6) | No (1)  

ankesh Patel    8 years ago

I cleared Infosys and Wipro both papers and got selected in both company on campus placement drive.
Thanks to m4maths.

Reply Like? Yes (120) | No (23)  

Rohit   8 years ago

Bro tom i have infosys. GUIDE ME

Like? Yes (24) | No (12)  

ankesh Patel   8 years ago

@ROHIT concentrate on VERBAL part , most of my university studens were not able to clear the verbal cut-off . Do passage at last keep yourself calm so that you can understand questions very well. all d best

Like? Yes (24) | No (19)  

aspirant ..   8 years ago

m4maths k questions were there in the paper??

Like? Yes (23) | No (3)  

Surbhi patel   8 years ago

Is questions really repeat in tcs campus drive, I am having a pool campus drive of tcs on this 5 october pls suggest me how much questions and topics I should prepare for tcs.

Like? Yes (38) | No (8)  

sadia julekha   8 years ago

is the questions from m4maths are coming in the placement drives of the companies?

Like? Yes (21) | No (3)  

harsha   8 years ago

gud to hear this man

Like? Yes (13) | No (4)  

shashank   8 years ago

is there any drive for 2015 passedout.plz ket me know on shashankmodi66@gmail.com

Like? Yes (10) | No (12)  

Tejal Tanaji Kadam   8 years ago

Congratulation frnd.......ndvi want to know about the exam..question.... Difficulties.... Everything about the placement.....soon plss send me all details on my email..tejuadcet@gmail.com.com

Like? Yes (13) | No (4)  

nandhini v   8 years ago

how to easily crack writen in infosys

Like? Yes (9) | No (4)  

avneesh   8 years ago

i am first year student and wanted to be a successful engineer and to be selected in a google like company

Like? Yes (19) | No (9)  

Soumik Seth   8 years ago

wow nice bossss

Like? Yes (10) | No (6)  

Soumik Seth   8 years ago

what a nice pic infosys

Like? Yes (7) | No (6)  

SWAVIMAN PRIYADARSAN DAS   8 years ago

please guys help me to get a job on asp .net as a fresher

Like? Yes (18) | No (5)  

dharani   8 years ago

bro how to clear Infosys Written test...Guide me

Like? Yes (16) | No (2)  

pavi   8 years ago

@ankesh hello sir.. Can u hav any verbal questions asked from infosys please send me to pavithradevi1412@gmail. com

Like? Yes (16) | No (4)  

sneha gadhave   8 years ago

how to prepare for elitmus

Like? Yes (15) | No (6)  

godishala venkatesh   8 years ago

bro i have ibm drive on 24th jan and how to clear first round help e bro

Like? Yes (7) | No (3)  

ck ashok   8 years ago

this is ashok plese contact me 9966884541

Like? Yes (6) | No (2)  

HEMANTH KALIDAS REDDY.TERALA   8 years ago

wow congrtas dude...

Like? Yes (9) | No (1)  

Shashikala   8 years ago

2mmrow I have IBM drive please help me

Like? Yes (10) | No (4)  

nitin   8 years ago

Two
equal circles intersect so that their centres, and the points at which they intersect form a square of side 1 cm. The area (in sq.cm) of the portion
that is common to the circles is

Like? Yes (9) | No (4)  

RAMESHKUMAR   8 years ago

AMI interview process ???how may rounds in the company conduct??

Like? Yes (8) | No (4)  

Shreya sharma   8 years ago

i want to score good marks in elitmus plss tell me how to prepare

Like? Yes (19) | No (6)  

Manibhushan Abhishek   8 years ago

congrats bro...!

Like? Yes (7) | No (3)  

MULAYAM SINGH KAURAV   8 years ago

is thre any jobfair in delhi ncr.
please replay

Like? Yes (9) | No (2)  

Sankara Pandiyan.M   8 years ago

congrats bro......

Like? Yes (6) | No (1)  

mohit soni   7 years ago

An easy way to do these types of questions is considering the question into glasses means consider here that B fills 45 glasses in 45 minutes so A has to feel the same in 37.5 minutes that is it feels 45/37.5 glasses per minute which is equal to 1.2 glasses per minute in 30 minutes tab A will feel 30×1.2 glasses, that is 36 glasses now tap B has to feel only 9 glasses which would take 9 minutes and it's the answer

Like? Yes (9) | No (4)  

Pranali suryakant shinde   7 years ago

Could u plz share ua preparations topics ? For aptitude n technical

Like? Yes (6) | No (1)  

m.usha sree   6 years ago

Please explain how to clear written test in Infosys

Like? Yes (2) | No (4)  

m.usha sree   6 years ago

I have campus placement on Infosys company

Like? Yes (3) | No (2)  

Yeddula mounika   6 years ago

bro did you have any materials related to wipro .
plz send to me :mounireddy0000@gmail.com

Like? Yes (2) | No (5)  

MONISHA AV   6 years ago

plse explain how to clear written test in wipro

Like? Yes (1) | No (4)  

Selva Priya   5 years ago

super plz help me to place

Like? Yes (4) | No (1)  

logrsh   5 years ago

any body know the payoda interview questions ,it is urgent

Like? Yes (2) | No (3)  

sirigireddy Pavitra   5 years ago

how to clear wipro written test brother

Like? Yes (3) | No   

Sunny Prasad Mohapatra    9 years ago

Tcs written test result published .....nd luckily i cleared this test.....on this special occasion i would like to thanks the whole team of m4math.....bcoz bf4 the test i only followed this site ....no other sites ....so guyzzzz m4math.com site is the best site to prepare for ny competetative xams.....thanksss guysss.....:-)

Reply Like? Yes (196) | No (32)  

rohit saini   9 years ago

yo bro i also got the mail :) feeling great

Like? Yes (54) | No (10)  

Shagufa   9 years ago

What was the cut off

Like? Yes (46) | No (21)  

Thangaraj   9 years ago

Machi how to prepare for an exam?? Only m4maths is enoughahh

Like? Yes (57) | No (19)  

lakshmi bhagya   9 years ago

tnq fr ur valuable suggetion br

Like? Yes (26) | No (6)  

SESHADRI MITTAPALLI   9 years ago

Hi dude ..congts and have u remember any questions.. And verbal asked..and u have material pls send to my mittapalliseshu@gmail.com

Like? Yes (36) | No (9)  

nanga theja   9 years ago

hii frds.........how many days results will be displayed.

Like? Yes (67) | No (9)  

sushanth varma   9 years ago

how to solve papers in m4maths.com i mean where do i find papers to solve..

Like? Yes (66) | No (7)  

priyanka   9 years ago

congrats brother

Like? Yes (20) | No (7)  

prasanna sai lakshmi devireddy   9 years ago

did u got a any same questions from chalk street of tcs plz reply me.........

Like? Yes (16) | No (3)  

NAGA SWAPNA   9 years ago

thankyou for giving suggestion.......
Are you selected in TCS ?!
it is offcampus or oncampus.

Like? Yes (23) | No (6)  

Karthika   9 years ago

s i agree M4maths is theeeeeee best

Like? Yes (32) | No (9)  

Nitesh kumar   9 years ago

anyone have any idea about first american written test ???pls hurry up

Like? Yes (12) | No (4)  

nandhini   9 years ago

congrats......:)

Like? Yes (9) | No (9)  

mohamed tousif   9 years ago

Any one who attend company
ennVee solutions private limited company
If any one knows patten of this comapany
Suggest me

Like? Yes (14) | No (4)  

vishal   9 years ago

congrats bro all the very best for your future

Like? Yes (13) | No (4)  

Riffath   9 years ago

I want CGI placement paper with solutions

Like? Yes (8) | No (5)  

Yadgiri   8 years ago

Congrats Bro...

Like? Yes (9) | No (1)  

Bala krishna NK   8 years ago

feeling blissful.. m4math.com is a gateway for the youth who is eagerly(hunting) searching for a job as a fresher.I congrates each and every team for this wonderfull website.. all the best guys.. make use of this one

Like? Yes (9) | No (3)  

pushpa.m   8 years ago

i m first time see this sites,so this is useful to me

Like? Yes (7) | No (3)  

DINESH KUMAR M   8 years ago

hi i am new to this website, is it really very useful?

Like? Yes (6) | No (6)  

Karthik   8 years ago

concept A Milkman serves milk in packaged bottles of varied sizes. The possible size of the bottles are {1, 5, 7 and 10} litres. He wants to supply desired quantity using as less bottles as possible irrespective of the size. Your objective is to help him find the minimum number of bottles required to supply the given demand of milk.

Like? Yes (11) | No (4)  

Vipul kumar   8 years ago

congretss bro keep it up

Like? Yes (7) | No (5)  

suresh   8 years ago

easy way to clear apps

Like? Yes (4) | No (5)  

nagoor ayesha   8 years ago

it is very useful for us

Like? Yes (5) | No (3)  

Abhishek   8 years ago

hi..is there is the same and exact questions in the written exam without change of digits..or the same model..

Like? Yes (2) | No (4)  

nikhil ahuja   8 years ago

how can i take tests on this site , i dont see the option anywhere , except puzzles and all , pls help me with it .

Like? Yes (5) | No (2)  

bhupesh v wagh   8 years ago

Are you facing interview? How it was?

Like? Yes (6) | No   

Jitendra Chaudhari   8 years ago

Tcs written test result published .....nd luckily i cleared this test.....on this special occasion i would like to thanks the whole team of m4math.....bcoz bf4 the test i only followed this site ....no other sites ....so guyzzzz m4math.com site is the best site to prepare for ny competetative xams.....thanksss guysss.....:-)

Like? Yes (9) | No   

Haritha   8 years ago

Congrats bro.......

Like? Yes (4) | No   

Lakshmi Narayanan.k   8 years ago

great and congrats

Like? Yes (3) | No (2)  

jaya sri   8 years ago

correct answer pls...

Like? Yes (6) | No (1)  

shakthi parameshwarar   8 years ago

superrr bro .....;)

Like? Yes (4) | No (2)  

ragupathi   8 years ago

hi friends
be happy

Like? Yes (4) | No (3)  

Vaishnavi Rao   8 years ago

Guys i hv ibm gbs offcampus recruitment on october 3.Can u plz guide me how to prepare for written test with this limited3 days.how to prepare for apptitude and for English written....help me

Like? Yes (4) | No (1)  

Surbhi patel   8 years ago

Is questions really repeat in tcs campus drive, I am having a pool campus drive of tcs on this 5 october pls suggest me how much questions and topics I should prepare for tcs.

Like? Yes (2) | No (3)  

Soumik Seth   8 years ago

u most welcome ... but u dont deserve that!!!!

Like? Yes (3) | No (3)  

Mounika   8 years ago

Hi , will anyone plzzz help me out. I'm preparing for the ibm placement.send the previous question papers of ibm plzzz mounika.guda123@gmail.com

Like? Yes (4) | No (2)  

sada siva reddy   7 years ago

what is minimum percentage in btech

Like? Yes (2) | No (2)  

balamurugan.k   7 years ago

well frnds feeling great

Like? Yes (1) | No (4)  

Purushottam    9 years ago

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

A. 24400

B. 21300

C. 210

D. 25200

Reply Like? Yes (173) | No (19)  

neha gupta   9 years ago

First apply combination(selection) - select 3 consonants from 7 = 7C3
select 2 vowels from 4 = 4C2
arrange these 5 selected letters = 5!
thus number of words formed = 5! *(7C3 * 4C2) = 25200

Like? Yes (56) | No (11)  

Ritesh kumar   9 years ago

5!*7c3*4c2= 25200

Like? Yes (14) | No (9)  

Akash Kumar   9 years ago

the answer is -7c3*4c2=210

Like? Yes (13) | No (23)  

sonu sinha   9 years ago

7C3 X 4C2 X5!=25200

Like? Yes (13) | No (4)  

Deepanshu Chaturvedi   9 years ago

selecting 3 consonants from 7=7C3
selecting 2 vowels out of 4=4C2
arranging 5 letters=5!
therefore total words=7C3*4C2*5!= 25200

Like? Yes (20) | No (4)  

S.Bhanu prakash Reddy   9 years ago

Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4)

= (7C3 x 4C2)
= 7 x 6 x 5 x 4 x 3
3 x 2 x 1 2 x 1
= 210.
Number of groups, each having 3 consonants and 2 vowels = 210.

Each group contains 5 letters.

Number of ways of arranging
5 letters among themselves = 5!
= 5 x 4 x 3 x 2 x 1
= 120.
Required number of ways = (210 x 120) = 25200.

Like? Yes (38) | No (7)  

SAVITA K SHENVI   9 years ago

D bcz 7C3*4C2 gives 210*5!=25200

Like? Yes (12) | No (3)  

Siva   9 years ago

D is correct.
7c3*4c2*5!=25200

Like? Yes (9) | No (4)  

Ramjilal   9 years ago

5!*7C3*4C2=25200

Like? Yes (7) | No (3)  

Anuj Sahu   9 years ago

25200 fact(5)*7c3*4c2

Like? Yes (2) | No (3)  

G prathap reddy   9 years ago

7c3*4c2*5!=25200

Like? Yes (6) | No (5)  

Sunny Grover   9 years ago

Answer is 210
that is C

Like? Yes (5) | No (9)  

Sunny Grover   9 years ago

Answer is 25200
That is d

Like? Yes (8) | No (2)  

Rajat Tripathi   9 years ago

Answer is
210
(7.6.5.4!/3!.4!).(4.3.2/2!.2!)=120

Like? Yes (4) | No (10)  

Rajat Tripathi   9 years ago

Answer is
210
(7.6.5.4!/3!.4!).(4.3.2/2!.2!)=120
and no of ways to arrange the words will be 5!=120
so 120*210=25200

Like? Yes (11) | No (2)  

Navjot kaur   9 years ago

First apply combination(selection) - select 3 consonants from 7 = 7C3
select 2 vowels from 4 = 4C2
arrange these 5 selected letters = 5!
thus number of words formed = 5! *(7C3 * 4C2) = 25200

Like? Yes (13) | No (4)  

Anand Kishore   9 years ago

3 consonants will be selected out of 7= 7C3
2 vowels will be selected out of 4 = 4C2
5 selected letter can be arranged in 5! ways
so,
7C3*4C2*5!= (7!/3!*4*) *(4!/2!*2!)*5!
= 25200

Like? Yes (4) | No (2)  

Vikas Kumar   9 years ago

7c3*4c2 fvfgkkghlgl;knl;kl;gbflvb,lfd

Like? Yes (5) | No (2)  

bhagyalakshmi   9 years ago

ans is 210 so option c is the ans

Like? Yes (5) | No (5)  

Mahesh Rajkumar Patil   9 years ago

7c3*4c2=210 is answer

Like? Yes (7) | No (4)  

Shivi Goyal   9 years ago

No of words formed= 7c3*4c2*5!

Like? Yes (9) | No (5)  

NAGA SWAPNA   9 years ago

Ans: 25200
3 cons from 7cons and 2vowl from 4vowl are selected
these 5 letters can be arranged in 5! ways so....
7c3*4c2*5!=25200

Like? Yes (10) | No   

vfzdfz   9 years ago

Like? Yes (4) | No (3)  

madhavi   9 years ago

Answer is
7c3* 4c2 =210

Like? Yes (5) | No (2)  

Esthar   9 years ago

3 from 7 consonants -> 7c3
and -> *
2 from 4 vowels -> 4c2
(7c3*4c2=210)

Like? Yes (4) | No (2)  

SIVAKAMI   9 years ago

answer: d.25200
selecting 3 consonants from 7 and 2 vowels from 4=7C3*4C2=210
arranging the 5 letters in 5!=120
therefore no of ways=210*120=25200

Like? Yes (10) | No (1)  

ANKITA   9 years ago

(7C3 * 4C2)*5!=25200

Like? Yes (7) | No (4)  

Dhanunjaya raj   9 years ago

D because 7C3*4C2*5!=25200

Like? Yes (6) | No (3)  

nani   9 years ago

guys please send me previous year paper of hcl
p.naninag007@gmail.com

Like? Yes (2) | No (4)  

nandhini   9 years ago

the answer is option d) 25200

Like? Yes (5) | No (3)  

shabreen   9 years ago

7C3 +4C2;
7!+4!=5064;

is this correct answer..if not post the correct answer with good explanation.........

Like? Yes (5) | No (2)  

Ganiyu Waris Adewale   9 years ago

Q: A factory increased its production of three wheelers from 80000 into the year 1996 to 92610 in 19

Like? Yes (3) | No (6)  

priyanka   9 years ago

THE ANSWER IS 7C3*4C2=210

Like? Yes (6) | No (3)  

mayank jain   9 years ago

7C3 + 4C2 =35*6=210
and 5! for the word which have 5 characters =120
210*120= 25200

Like? Yes (5) | No   

Aishwarya.S   9 years ago

7C3=35
4C2=6
5!=120
ans : 7C3*4C2*5! = 25200

Like? Yes (7) | No (1)  

Rahul Sinha   8 years ago

7C3 * 4C2 * 5! = 25200

Like? Yes (7) | No (2)  

KANIMOZHI J   8 years ago

option D is correct

Like? Yes (1) | No (2)  

poreddy swathi   8 years ago

d is correct answer

Like? Yes (3) | No (4)  

Sharfras Ahamed   8 years ago

C.210 is the answer

Like? Yes (3) | No (3)  

Wasim Akram Badhusha   8 years ago

By using combination,
formula:
ncr=n!/(n-r)!
7c3*4c2=210
option:C is the answer

Like? Yes (7) | No   

Dhanraj Popalghat   8 years ago

c)210

7c3*4c2*5!

Like? Yes (4) | No (1)  

yerra anitha   8 years ago

Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4)
= 7C_3* 4C_2
= 210.
Number of groups, each having 3 consonants and 2 vowels = 210.
Each group contains 5 letters.
Number of ways of arranging 5 letters among themselves
= 5!
= 120
Required number of ways = (210 x 120) = 25200.
soo ans is(d)
if its wrong means post the correct answer please.

Like? Yes (5) | No (3)  

veturi sameer   8 years ago

7C3*4C2=210
Ans: C

Like? Yes (7) | No   

veturi sameer   8 years ago

Sry...
5! *7c3*4c2=25200
Ans: D

Like? Yes (2) | No (2)  

mahima porwal   8 years ago

C. 210 is the correct ans.

Like? Yes (3) | No (1)  

mansi   8 years ago

5!*7C3*4C2=5*4*3*2*1*35*6=25,200

Like? Yes | No (3)  

suji   8 years ago

the answer is 210

Like? Yes (2) | No (2)  

abby malhotra   8 years ago

c .210 ya ans wright

Like? Yes (3) | No (5)  

nandhini v   8 years ago

210....(7c3*4c2)

Like? Yes | No (4)  

VAISHAALI   8 years ago

(7C4)(4C2)=>(7!/(4! . 3!))(4!(2! .2!))
(7.6.5/3.2)(4.3.2/2.2)=>210

Like? Yes (3) | No (1)  

Prashant kumar   8 years ago

Ans is D. 25200

Like? Yes (2) | No (1)  

Satish Kumar Sahu   7 years ago

option c 210 is correct

Like? Yes (1) | No (1)  

vennila   7 years ago

We are given the following sequence
PROBLEMSOLVINGPROBLEMSOLVINGPRO……. If the pattern continues, what letter will be in the 2015thposition

Like? Yes (3) | No   

prajjwal    9 years ago

In a kilometer race, A beats B by 20meters. In 11 km race ,Abeats B by???
1. 100m
2.220 m
3.200 m
4.210m

Reply Like? Yes (102) | No (12)  

khushboo soni   9 years ago

Which of the following algorithm design techniques is used in the quick sort algorithm?

1. Dynamic programming
2. Backtracking
3. Divide and conquer
4. Greedy method

Like? Yes (66) | No (5)  

neha gupta   9 years ago

In 11 km race A beats B by 220 m as in when A will cover 11 km B will cover only 10780 m. so ans is 2. 220m

Like? Yes (5) | No (7)  

sonu sinha   9 years ago

A/q
A=1000 | B=980
here
1000=980
then
11000=980/1000x11000
=220

Like? Yes (6) | No (4)  

Deepanshu Chaturvedi   9 years ago

one kilomtre lead is 20m so, in 11km race lead is 11*20=220m

Like? Yes (7) | No (4)  

shailesh verma   9 years ago

time taken by a in 1 km race= t= 1000 mts/a(speed of a)
in same time b will travel = t=(1000-20)/b(speed of b)
so (98/b) = (100/a)
in 11 km race a will finish race in let p time.
p=11000/a
in that time b will travel distance = p*b=(11000/a)*(98a/100)=10780
hence a beats b by = 11000-10780=220mts

Like? Yes (9) | No (5)  

ANUKUL   9 years ago

20*11000/1000
2. 220m

Like? Yes (9) | No (4)  

nisarga meghavath   9 years ago

fa 1km=20m, fa 11km?? 11x20=220

Like? Yes (2) | No (2)  

P.Mohankumar   9 years ago

for 1km =20meters
for 11km=11*20=220

Like? Yes (4) | No (4)  

kushagra   9 years ago

1km =20m
11km=220m

Like? Yes (5) | No (4)  

DHAYYALA SREEKANTH REDDY   9 years ago

in a kilometer it is 20m,so in 11km it is 220m

Like? Yes (7) | No (1)  

prem naik   9 years ago

220...using direct proportion

Like? Yes (5) | No (2)  

satyaraghavendra reddy Medapati   9 years ago

answer 2
v=d/t
for one kilometer distance are kow so time consider of completion is same
v and d are direct propotional
A completes race with lead od 20m for1 km
for 11 km it will be 11*20m=220 m

Like? Yes (3) | No (5)  

shyam kumar sharma   9 years ago

A beats to B by 220 meters

Like? Yes (1) | No (3)  

Sunny Grover   9 years ago

Answer is 220m
That is 2

Like? Yes (4) | No (1)  

pramit   9 years ago

Divide and conquer

Like? Yes (3) | No (1)  

Rajat Tripathi   9 years ago

if we will apply direct proportion system then it will be:-
220m

Like? Yes (6) | No (1)  

ayushi   9 years ago

1 beats b by 220 meter

Like? Yes (7) | No (4)  

Navjot kaur   9 years ago

one km=20m
then 11km=220m
so the correct answer is (2)

Like? Yes (5) | No (2)  

lata   9 years ago

220m Ans in 11km race B will run 10780m

Like? Yes (3) | No (4)  

J.Neppoliean   9 years ago

Assume that
1 hour A went 1000m
B is 1000-20=980.
So b went 980 m
now 11 km A went 11000m and
B went (980x11=10780)
So the deff is 11000-10780==220m

Like? Yes (3) | No (1)  

minakshi sahay   9 years ago

Hi ,, i hv tcs off campus exam ,can anybody pls tell me which site would be better for preparation

Like? Yes (6) | No (2)  

SANDEEP KUMAR SHAW   9 years ago

In 1 Km race, A beats B by 20 meters then in 11 km race A beats B by 20*11= 220 meters.

Like? Yes (4) | No (3)  

shalini kumari singh   9 years ago

For 1000 meters A beats B by 20 meters .
So for 11000 meters A will beat B by 20/1000*11000=220 meters.

Like? Yes (4) | No (3)  

Mathi Vanan P   9 years ago

the answer is 220

Like? Yes (2) | No (5)  

vfzdfz   9 years ago

Like? Yes (5) | No (2)  

madhavi   9 years ago

I guess ans is
220

Like? Yes (5) | No (2)  

vijayalakshmi   9 years ago

so in 1km race A:B is 20:980=1:49
so in 11km race A:B is 220:10780=1:49
ans is 2

Like? Yes (4) | No (2)  

Venkata Rao Gude   9 years ago

Problem Statement :
# Little Nick loves chocolates and goes to the store with $N money in his pocket. The price of each chocolate is $C. The store offers a discount: for every M wrappers he gives the store, he’ll get one chocolate for free. How many chocolates does Bob get to eat?

Input Format :
# The first line contains the number of test cases T (

Like? Yes (4) | No (5)  

Wasim Akram Badhusha   8 years ago

given that A beats B by 20 m out of 1 km.so, 20 * 11 = 220 m

Like? Yes (1) | No (2)  

RAJESH KUMAR   8 years ago

in a kilometer race
a beats b by 20 meters.
then in 11 km *20 km= 220.

Like? Yes (4) | No (2)  

RAHUL KUMAR   8 years ago

1km = 20m
11km = 11*20
220km

Like? Yes (2) | No (1)  

Abhishek kumar   8 years ago

220 is correct answer, this is a simple and straight question.

Like? Yes (3) | No (1)  

suji   8 years ago

fir 1km it is 20m and for 11km it is 11*20=220m

Like? Yes (2) | No (3)  

Ruby jaiswal   7 years ago

In 1 km A beats B by 20m, so in 11km A beats B 11*20=220m

Like? Yes (3) | No (2)  

MD SAJID KHAN   6 years ago

1000=980
1=980/1000
11000=980*11000/1000
=10780
11000-10780=220

Like? Yes | No (2)