Users Discussion Board

m.bhuvaneswari to Palak 7 years ago

How to prepare elitmus exam plzzz tell me

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LAVANYA 7 years ago

I couldn't find today's puzzle question.please help me to find it.

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y sarita 7 years ago

ramesh and suresh started journey from bangalore to chennai. ramesh starts at 1 30pm from bangaore and suresh starts 3pm at banglore and suresh over took ramesh at 6 pm and reaches at 9 pm at chennai.when will ramesh reached at chennai?

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Devendra Marghade 7 years ago

10:30 pm.

Let speed of Ramesh & Suresh be R & S respectively, then 4.5R = 3S
=> ratio of speeds = R : S = 2 : 3
So ratio of time = 3 : 2
As Suresh reached in 6 hrs, so Ramesh took 6*(3/2)=9 hrs.
Hence Ramesh will reach at (1:30pm +9 hrs) = 10:30 pm.

Like? Yes | No (2)

Karan 7 years ago

Suresh starts 3pm at banglore and Suresh over took Ramesh at 6 pm and reaches at 9 pm at chennai.
It means he overtook Ramesh at mid point of journey.
Ramesh completed half journey in 4.5 hrs and Suresh completed half journey in 3 hrs.
So Ramesh will complete whole journey in 9 hrs and he will reach Chennai at 10.30 PM.

Like? Yes (3) | No

Mukesh kumar 7 years ago

Two shopkeeper sell a radio of similer brand and type at the same list of price of RS.1000.The first allows two successive discount 20% and 10% and the secound allows the successive discounts of 15% and 15% .Find the difference in discount offered by the two shopkeepers.

Reply Like? Yes (1) | No

Karan 7 years ago

SP of first shopkeeper = 1000*0.9*0.8= Rs 720
SP of second shopkeeper = 1000*0.85*0.85= 722.50
Difference in discounts = Rs 2.50

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shona 7 years ago

Please solve this...10 workers can make 15 boxes in 6 days how many boxes will 12 workers make in 3 days

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KALAIVANI S 7 years ago

M1*D1*H1/W1=M2*D2*H2
so, 10*6/15=12*3/x
x=9 boxes

Like? Yes | No (1)

HARMEET KAUR 7 years ago

9 boxes
15 boxes are made in 60 (10*6) man days.
1 box is made in 4 man days.
in 36 (12x3) man days , 36/4=9 boxes will be made.

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Iva 7 years ago

10x6xN=15=> N=1/4 (N dayly work of 1 worker)
12x1/4x3=9

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Boinibal Sreelatha 7 years ago

I have registered for off campus drive of Syntel on 10th December. But till now i didn't get any mail from Syntel regarding exam date. So can anyone tell me when will be the Syntel exam

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sainiprathyusha 7 years ago

Decode it... Asd=45,Bsf=65,Rns=41 then usw=?

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Anirban saha 7 years ago

Can anyone suggest me the best aptitude course for job placement...

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Aravind 7 years ago

Ques. Four different electronic devices make a beep after every 30 minutes, 1 hour, 3/2 hour and 1 hour
45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at:

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Karan 7 years ago

After 21 hrs i.e. at 9 AM next day

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Dimple 7 years ago

LCM of 30,60,90,105 is 1260 minutes or 21 hrs.
so All the devices beeped together after 21 hrs i.e. at 9 AM next day

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Dipu Nandi 7 years ago

Hello, I’m Dipu. I’m a youtuber living in Jaleswar, India. I am a youtuber & I also do video making, and blogging Make andriod app devoloper and web design. I’m also interested in technology and website build. You can visit my channel # Dipu TechBC

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prankur 7 years ago

If a2+b2-4(a+b)= -8,then the value of (a-b) is:
A. 4 B. 0 C. 2 D. 8

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Karan 7 years ago

a=b=2
a^2+b^2-4(a+b) = 4+4-4*4= -8
a-b=2-2=0

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rohini t 7 years ago

in a village 1200 people were there. every year 20% increases.what will be the population after 3 years?

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Karan 7 years ago

1200*1.2*1.2*1.2= 2073.6
so population after 3 years= 2073.

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dontharapally praveenkumar to K.MADHAVI 7 years ago

what is the best way of learning aptitude can give guide to me

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KARTHI G 7 years ago

X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

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prativasahoo 7 years ago

workdone by x in 4 days=4*(1/20)=1/5
remaining work=1-1/5=4/5
work done by both x & y in 1 day =(1/20)+(1/12)=2/15
2/15 work is done by x&y in 1 day
then 4/5 work is done by x&y =(4/5)*(15/2)=6 days
total time taken to complete the work is 6+4=10 days

Like? Yes (2) | No

Karan 7 years ago

With reference to Today's question dated 12.12.2017, Administrator has rightfully considered deletion of 5 possibilities in case of scoring 6 in first ball .
Please note than scores ( 3,3), (4,2), (4,3) are also not permitted as the game is finished immediately after scoring required runs and no runs can be scored by running further.
Please check and decide the correct answer accordingly.

Reply Like? Yes (4) | No (1)

Dr. Divya 7 years ago

Correct.
In view of this observation, the correct answer should be none of these.

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Dr.Dipin Singh 7 years ago

Good observation, Karan.

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lohitha to deeksha gupta 7 years ago

could u share the answer

Reply Like? Yes (1) | No

deependra singh 7 years ago

Two numbers are in the ratio 2:3. If 6 is added to both, the ratio changes to 3:4. What is the smaller number?

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Karan 7 years ago

Numbers are 12 and 18 which are in ratio of 2:3.
When 6 is added, new numbers are 18 and 24 which are in ratio of 3:4.
Smaller no. is 12.

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prativasahoo 7 years ago

smallest no is 12

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Vivek sharma 7 years ago

10% discount on an item has been offered. By applying a promo code, the customer wins 4% cash back. What is the effective rebate given to him ?

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Dimple 7 years ago

13.6%

For an item of Rs 100, discounted price is Rs 90.
After getting 4% cashback on Rs. 90, the customer paid Rs. 86.40.
So effective rebate is 100-86.4= 13.6%

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prativasahoo 7 years ago

effective rebate is 13.6
-10-4+(10*4)/100=13.6

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prasanna 7 years ago

i want to get 1st rank in gate exam how to prepare that and can u suggest me any material plz...

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Kiran jain 7 years ago

a cube is painted red on the two adjacent faces and black on the surfaces opposite to red surfaces and orange on the remaining faces. now a cube is divided into 216 smaller cubes of equal size how many smaller cubes will have no sùrface painted

Reply Like? Yes (1) | No

Karan 7 years ago

4x4x4=64 smaller cubes will have no surface unpainted.

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Anjana T 7 years ago

Hi, i have online drive for IBM tom. Can anyone help me to clear business communication round. if anyone have any material please mail me Email id: Anjuyoga1411@gmail.com

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Shashank Mishra 7 years ago

Programs to convert decimal to binary using command line arguments

Reply Like? Yes (1) | No

Pradheep 7 years ago

https://code.sololearn.com/cU9b7SumlT64/?ref=app

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Hafizunnissa 7 years ago

Hi,
Can any one help me to clear IBM business communication round and coding round.If any suggested materials or links please mail me @ Email-ID:bhafi786@gmail.com.

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Hafizunnissa 7 years ago

Hi,

Can any one help me to clear IBM business communication round and coding round.

If any suggested materials or links, please mail me @ Email-ID:bhafi786@gmail.com.

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Hafizunnissa 7 years ago

Hi,

Can any one help me to clear IBM business communication round and coding round.
If any suggested materials or links please mail me @ Email-ID:bhafi786@gmail.com.

Thanks.

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kona kiran Kumar reddy 7 years ago

https://youtu.be/URg5Z4FUWgo

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krishnaveni 7 years ago

a,b,c are non negative integers such that 28a+30b+31c=365 then a+b+c?

Reply Like? Yes (1) | No

Karan 7 years ago

a=1
b=4
c=7
Just check number of days in each month of year.

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Karan 7 years ago

28+120+217= 365

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Govind 7 years ago

Absolutely correct,
otherwise
a=2, b=1, c=9 is other set of values.

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Prabha 7 years ago

can you analyse what is the probability of meeting someone in your lifetime who is having an above average number of arms?
1) Impossible
2) Unlikely
3) Fifty Fifty
4) Fairly Likely
5) Certain

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Dhamodharan K to aakriti 7 years ago

your solution unable to clearly understand me please clearly solve the solution

Reply Like? Yes (1) | No

Sushma 7 years ago

In today's puzzle, Beeru buys Bike and sells scooter.
Profit Percentage of Bike / scooter ??????

Reply Like? Yes (1) | No

Dr.Dipin Singh 7 years ago

Good observation.

Like? Yes (1) | No

nani 7 years ago

- A train is travelling at a speed of 40km h and a pigeon is flying towards the oncoming train at speed of 5km h. How much time does the pigeon take to come back to its start point after sitting on the train for 1 min?

Reply Like? Yes | No (1)

Nishant 7 years ago

Can you specify the initial distance between train and pigeon ?

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mukul sharma to sunil jain 7 years ago

How do you came up with snow white and seven dwarfs problems answer
The Seven Dwarfs are having breakfast, and Snow White has just poured them some milk. Before drinking, the dwarfs have a ritual. First, Dwarf #1 splits his milk equally among his brothers' mugs (leaving himself with nothing). Then Dwarf #2 does the same with his milk, etc. The process continues around the table, until Dwarf #7 has distributed his milk in this way. (Note that Dwarf #7 is named Dopey!) At the end, each dwarf has exactly the same amount of milk as he started with! If the total amount of milk was 42 ounces.

Q1. how many have empty mugs?
Q2. how many have amount of milk in mug as a prime no.

Reply Like? Yes (1) | No

Manav 7 years ago

1. Only one mug ( of Dwarf #7) was empty.
2. only one mug ( dwarf#6) had 2 ounces which is prime number.

Distribution of milk was 12, 10,8,6,4,2,0.

Like? Yes (3) | No

Shalini Sharma 7 years ago

JAM Mathematics 2018 Preparation Tips

Reply Like? Yes (1) | No

Shalini Sharma 7 years ago

Some JAM Preparation Tips hope will help you -
• Analyze the Syllabus - Its essential to start the preparation, analyze the complete JAM Mathematics Syllabus through this you may be decided a proper preparation Strategy.
• Best Reference Books - Prefer best reference books which covers most of the topics of the syllabus and contains previous years question papers and modal test papers also.
Some reference books are –
o Integral Calculus: F. Ayres (Schaum’s), Gorakh Prasad
o Vector Calculus: Murray R. Spiegel (Schaum’s), A.R.Vasishtha
o Linear Algebra: Seymour Lipschitz (Schaum’s), H. Anton, A.R.Vasishtha.
o Ordinary Differential Equation: Peter J. Collins, G.F. Simmons, M.D. Raisinghania.
o Principle of Real Analysis: S. C. Malik.
o Real Analysis: H. L. Royden.
o Modern Algebra: A. R. Vasishtha 8. University Algebra: N. S. Gopalakrishan.
• Solve Previous Years IIT JAM Question Paper - By solving these you will get an idea related to which type of questions will be asked in the exam and you will find the weak points also.
• Mock Tests - Practice mock tests it will help you to strong your weak points.
• Daily Routine - Study hard daily at least 6 to 7 hours.
• Don’t take stress, keep calm and study well.

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santosh nagare to Rajaboina Radhika 7 years ago

One bafalow gave 4 liter milk and cow 1/2 liter and goat 1/4
What is this pussel

Reply Like? Yes (1) | No

Rajavenkatesh 7 years ago

Ram has twice the amount of money that Shyam has. If Shyam gets Rs. 20, he will have Rs. 30 less than Ram. How much money does Ram have?
can anyone help me to solve this???

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HARMEET KAUR 7 years ago

Ram Has 100 Rs and Shyam has 50 Rs.
If Shyam gets Rs 20 more, he will have Rs 70 which is 30 less than Ram ( Rs. 100) now.

Like? Yes (2) | No

Jeevan 7 years ago

If shyam gets Rs 20 from Ram, then initially Ram has Rs 140 and Shyam has Rs. 70.
When shyam gets Rs 20 from Ram, then Ram will have Rs 120 and Shyam will have Rs. 90.

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PROSUN MONDAL 7 years ago

Want to learn more and more

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HARSHIT PANDEY 7 years ago

how many permutations can be made out of the letters of the word "BUSINESS". How many of these will begin with B and end with N?

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sudipa paul 7 years ago

Hi everyone.....

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somya 7 years ago

A robot is designed to move in a peculiar way and it can be set in motion by a microprocessor program. The program can be initiated by assigning a positive rational value to its variable n. The program directs the robot to move in the following way. As soon as the program is started, the robot starts from the point O, moves 2n metres northward and changes its direction by n° to the right. It then moves 2n metres forward and again changes its direction by n° to the right and continues in this manner till it reaches the starting point O, or till it covers a total distance of 100 m, whichever happens first, and then it stop.
Q: 8. I assigned a value for n and started the program. If the robot finally came back to O and stopped, what is the total distance that it has covered
(1) 180 m
(2) 360 m
(3) 720 m
(4) Cannot be determined

Q: 9 For how many value of n in the intervals [1, 60] does the robot cover less than 1000 m, before it stops?
(1) 19
(2) 60
(3) 355
(4) Infinite

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Karan 7 years ago

Q8.
3. 720 Mtrs
Q9.
(4) Infinite

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Shalini Sharma 7 years ago

Joint Admission Test for M.Sc.

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Shalini Sharma 7 years ago

IIT JAM, is a Joint Admission Test for M.Sc. which is conducted by IITs and IIsc for Integrated PhD Degree Programs at IISc Bangalore and M.Sc. (2 years), Joint M.Sc.-PhD, M.Sc.-PhD Dual Degree, M.Sc.-M.Tech., M.Sc.-M.S. (Research)/PhD Dual Degree and other Post-Bachelor Degree Programs at IITs.

The IIT JAM Exam 2018 will be held on 11th February 2018.

JAM Exam is conducted only in seven subjects which are-
1. Biological Sciences(BL)
2. Biotechnology(BT)
3. Chemistry(CY)
4. Geology(GG)
5. Mathematics(MA)
6. Mathematical Statistics(MS)
7. Physics(PH)

To appearing for exam candidates should have bachelor’s degree as a qualifying examination degree, must be passed with minimum 55% aggregate marks if they are from General and OBC-NCL category or minimum 50% if they are from SC/ST/PwD category.

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Divya 7 years ago

Friends did anyone of u attend cognizant on campus hiring process this year? Can u share the selection process of cognizant this year.

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anillisa 7 years ago

hi guys, think it and "take it easy , make that easy"

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Shaheen harun shaikh to RAKESH 7 years ago

Hi Rakesh , will you please guide me , would be vry helpful, thanks in advance u can contact me @shaikhshaheen85@gmail.com

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UTKARSH 7 years ago

The simplest way to find the sum of consecutive no.s
For ex. 1+2+3+4+5+6+7+8
Therefore,we should first find the sum of first and last digit.
1+8=9
Then we should multiply it by the half of no.s
That is,
8/2
( because there are 8 no.s)
The sum is
(8+1)×(8/2)
9×4=36

Reply Like? Yes | No

Jaybhaye Ashok Mahadev 7 years ago

1,?,9,7,7,9,13,10,9,1,4,9,16,16,...what number comes at "?" at the second place from start?

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Karan 7 years ago

?=4
1^2=1 .. sum of digits 1
2^2=4.. sum of digits 4
3^2=9.. sum of digits 9
4^2=16.. sum of digits ..1+6=7
5^2=25, sum of digits .. 2+5=7
6^2=36.. sum of digits ..3+6=9
7^2=49.. sum of digits ..4+9=13 .......... so on.

Like? Yes (2) | No

Timsi Kataria 7 years ago

Hi Admin, the answer to yesterday's puzzle is incorrectly stated in the question. The actual answer is 23436 and the given option no 6 is 25436.

So the correct option should be no 10.

Reply Like? Yes (2) | No

Akhila vangara 7 years ago

Hi guys, I recently applied for IBM GBS referral drive on 10th September 2017. I haven't receive any mail regarding interview. If anyone has applied for this drive and got the interview date please let me know.

Reply Like? Yes | No

Tenzin Dorje 7 years ago

Sir I request too all m frnds. I participat in ACC exam ...but I hve prbln to solve maths questions.. So plz help me.. Plzzz

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sunil panda 7 years ago

The number of ways in which 15 students A1, A2..............A15 can be ranked, such that A4 is always above A8 is

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Vishal 7 years ago

A person sold a watch for 96 and got a percentage profit equal to cost price.find the cost price of watch

Reply Like? Yes | No

Karan 7 years ago

cost price = Rs 60
60+60% of 60=60+36=96= given s.p. of watch

Like? Yes (1) | No

Deepika 7 years ago

If a boboy takes as much time in running 10 meters as a car takes in covering 25 meters the distance covered by boy during the time the car covers 1 km is.....

Reply Like? Yes (1) | No

MP 7 years ago

If a boboy takes as much time in running 10 meters as a car takes in covering 25 meters the distance covered by boy during the time the car covers 1 km is 400 meters.

Like? Yes (3) | No

Sumanta Mukhopadhyay 7 years ago

How to crack tcs exam i t will be comming to our college in 11 of this month any tips plz help

Reply Like? Yes | No

priyanka 7 years ago

Verbal 3.80 15.00%
Problem Solving 30.00 80.13%
Quantitative 26.30 76.53%

Will i get any phone call from any company?

Reply Like? Yes | No (1)

sunil panda 7 years ago

which exam priyanka?

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krishna 7 years ago

Yes.Bot not sure.Depending upon your Luck @priyanka

Like? Yes | No

TS SHARAN LAL 7 years ago

What you want to share?(x-a)(x-b)(x-c).....(x-z)?

Reply Like? Yes (1) | No

MP 7 years ago

(x-a)(x-b)(x-c).....(x-z) = 0 as (x-x)=0

Like? Yes (1) | No

Rahul Kumar 7 years ago

I am preparing for campus interviews and off campus drives and will be attending interviews from my next semester(final semester) and I came through a website q4interview.com, recommended by my peers. Has anyone accessed the site, How good is it?

Reply Like? Yes (7) | No

rajesh 7 years ago

haiiii everyone..............!!!!

Reply Like? Yes | No

manoj sen 7 years ago

Thank you m4mathes

Reply Like? Yes | No

Amrutha Narasimha Agnihothri 7 years ago

what are the topics in aptitude test they may ask in campus interview?

Reply Like? Yes | No

astha jain 7 years ago

Plz any one suggest me how to prepare for tcs interview...i m from Ec branch

Reply Like? Yes | No

DEEPAK KUMAR VERMA 7 years ago

HII..I am B.tech. Electrical Engineer ...preparing for SSC JE ..Guys Please help me getting my Goal.

Reply Like? Yes | No

KICK 7 years ago

why " keep me looged in " option is not available on the site?

Reply Like? Yes | No

sunil panda 8 years ago

7 @ 9 =19 3 @ 6=9 2 @ 5=3 find out symbol @ ?

Reply Like? Yes | No

MP 7 years ago

7 @ 9 =19... 7^9= 117649 .. ignore last digit 9 .. 11764 --1+1+7+6+4=19... sum of digits 19
3 @ 6=9 ... 3^6= 729.. ignore last digit 9......... 72.... 7+2=9.. sum of digits 9
2 @ 5=3..... 2^5=32... Ignore last digit 2...3... 3... sum of digits 3

Like? Yes (4) | No

sunil panda 8 years ago

there are two identical metal sheets first one is melted and converted into maximum possible spheres of equal radius 'r' cm. and 14 cubic cm metal was left .second one is melted and converted into maximum possible sphere of equal radius 2r cm and then 36 cubic cm of metal was left. if volume of each is integer find the volume of each bigger sphere?

Reply Like? Yes | No

SONU GHANGHOURIYA 8 years ago

computer opretor

Reply Like? Yes | No

Rajeev shukla 8 years ago

Two vessels a and b contains milk and water respectively the volume of water in b are in the ratio 4:5. Now x litres of milk from A is poured into b and then y litres of the solution from b is poured into a. If as a result the concentration of milk in a and that of water in b both dropped from 100% to 66 2/3% find x:y

Reply Like? Yes (1) | No (1)

Mayur 7 years ago

Question is not clear.
As per statement, a contains Milk and b contains water.
volume of water in b are in ratio of 4:5.
Which ratio ?

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Subham kumar(manju 8 years ago

Subham kumar(manju

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vennila 8 years ago

Raj divided 50 into two parts such that the sum of their reciprocal is 1/12 ,we get the parts as

Reply Like? Yes | No (1)

KICK 8 years ago

IF it is a exam point of view question i suggest you always go by options bro
if u want explanation here it follows
let one of the parts = x implies another part is 50-x
so given that reciprocals sum is 1/12 so 1/x + 1/50-x == 1/12
solve it and u get value of x ! do the math
so x is 20 another part is 30
verification : 1/20+1/30 = 50/600 = 1/12 ( proved )

if u face difficulty in solving x heres the thing :
1/x+ 1/ (50-x) = 1/12
taking cross multiplication (50-x+x)/ (50x-x^2) = 1/12
==} 50x-x^2 = 12*50
==} 50x-x^2 = 600
==} x^2 -50x + 600 = 0
===} x^2 -20x -30x +600= 0
===} x(x-20) - 30 ( x-20) =0
=====} ( x-30) ( x-20) = 0
=====} x= 30, 20 ! gotcha

Like? Yes (1) | No (1)

vennila 8 years ago

If (P/Q) – (Q/P) =21/10 ;
(4P/Q) + (4Q/P) =?

Reply Like? Yes | No

Karan 7 years ago

If (P/Q) – (Q/P) =21/10 ;

(P/Q) + (Q/P) = 29/10
(4P/Q) + (4Q/P) = 4*29/10= 58/5

Like? Yes (3) | No

vennila 8 years ago

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

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vennila 8 years ago

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

Reply Like? Yes (1) | No (1)

vennila 8 years ago

If (P/Q) – (Q/P) =21/10 ;
(4P/Q) + (4Q/P) =?

Like? Yes (2) | No (1)

vennila 8 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?

Reply Like? Yes (12) | No

vennila 8 years ago

Like? Yes (7) | No

siva 7 years ago

The sum of the scores for games 6 through 9 is 68. The average in these four games is 68/4 = 17.

The total points in all ten games is greater than 10*18 = 180. Thus, it must be at least 181.

There are at least 181 - 68 = 113 points in the other six games: games 1-5 and game 10.

Games 1-5 must have an average of less than 17. Thus we cannot put more than 16 + 17 + 17 + 17 + 17 = 84 points in those five games.

Thus, the tenth game must have at least 113 - 84 = 29 points

Like? Yes | No (1)

SUBHAJIT SAHOO 8 years ago

I want to a privet bank jab..placed tcs

Reply Like? Yes | No

MD IMDAD 8 years ago

26-10-2017 i answered but marks is not calculated.

and also it is looking that u have not try on that date ,but i have submit with in 35 minute;

approx time is11:35 on 26-10-2017

Reply Like? Yes | No

KICK 8 years ago

have u submitted a meaaningful reason on that day?

Like? Yes (1) | No

vennila 8 years ago

2/3rd of the balls in a bag are blue, the rest are pink. If 5/9th of the blue balls and 7/8th of the pink balls are defective. Find the number of balls in the bag, if the number of non defective balls is 146?

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Karan 8 years ago

Total balls in bag are 432.
288 blue and 144 pink balls.
160 blue balls are defective. 126 pink balls are defective.
out of 146 non defective balls, 128 blue balls and 18 pink balls are non defective.

Like? Yes (1) | No (1)

Devendra Marghade 8 years ago

Ans: 432

Let total number of balls be x, then
Blue balls = 2x/3, Pink balls=x/3
Total defective balls =(5/9) of blue + (7/8) of pink = (5/9)*(2x/3) + (7/8)*(x/3)=143x/216
So non-defective balls=x - 143x/216= 73x/216
A's 73x/216=146, so x=432

Like? Yes | No (1)

Hamshapriya to Rajeshh 8 years ago

Rajesh how to get anz of 12mph

Reply Like? Yes | No

KICK 8 years ago

12*5/18 or 12*36/10 as per comfort

Like? Yes | No

Ashwini R 8 years ago

Please someone share HealthAsyst company placement papers...

Reply Like? Yes | No

Hamshapriya to Devendra Marghade 8 years ago

A man rows a boat at a speed of 15 mph in still water. Find the speed of the river if it. Take her 4 hours 30 minutes to row a boat to a place 30 miles away and return?

Plzzzz explain 😊

Reply Like? Yes (4) | No

Hamshapriya 8 years ago

Plzzz can anybody explain

Like? Yes | No (1)

Karan 8 years ago

If speed of river is x, then
30/(15+x) + 30/(15-x)=9/2
solve it , to get x= 5 mph.. speed of river

Like? Yes (4) | No

Karan 8 years ago

check 30/20+30/10 = 1.5+3=4.5

Like? Yes (1) | No

Satish Kumar Sahu 8 years ago

The one rupee coin is placed on plain paper. How many coins of the same size can be placed round it
so that each one touches the centre and adjacent coins?

Reply Like? Yes | No

Pargat Pal Singh 8 years ago

6 coins of the same size can be placed round it so that each one touches the centre and adjacent coins.

Like? Yes (2) | No

KICK 8 years ago

See Bro , Say radius of the rupee is R and another coin (C1) is kept touching the center coin (C0).
Compute the angle subtended at the center of C0 by C1:

Join the centers by a line of length 2R
Draw a tangent to C1 from center of C0, touching C1 at T
Now draw the radius in C1 from its center to T
In the resulting right angled triangle, the angle ∠center.1center0.T is clearly 30∘ (simple trigonometry, sin30∘=R/2R ==}} 1/2), thus the angle subtended is 60 degrees, which allows 6 coins to be placed

Like? Yes (1) | No (2)

JAY to Mamata Sahu 8 years ago

eeeeeeeeeeeeeeeeeF YOU

Reply Like? Yes | No

khaba 8 years ago

If a man receives on one-fourth of his capital 3% interest, on two-thirds 5% and on the remainder 11%, the percentage he receives on the whole is

Reply Like? Yes | No (1)

KICK 8 years ago

let the capital of man is "c"
so interest on 1/4th = 1/4*c*3/100
interest on 2/3rd = 2/3*c*5/100
remainder = 1-1/4-2/3= 1/12c interest on remainder = 1/12*c*1/100
so TOtal interest = c*1/4*3/100+c*2/3*5/100+c*1/12*1/100
taking c common you get C (3/4+10/3+1/12)/100
interest on whole is c*rate/100
so rate is 3/4+10/3+1/12 TAKE THE LCM BRO THEN THE RESULT IS (9+40+1)/12 SO 50/12== 4.166

Like? Yes (1) | No (1)

Vishnu 8 years ago

Zoho placement paper

Reply Like? Yes | No

Santosh kumar 8 years ago

Thank u maths 4.........,...,,,.,,,,,,

Reply Like? Yes | No

Radha 8 years ago

I dont know about this app today is my first day

Reply Like? Yes | No

Durga Nagarajan 8 years ago

A family has 4 members..The probability of each gender is 1/2.one child is boy..Then what is the probability of having next child is also a boy??

Reply Like? Yes | No

UTKARSH 8 years ago

What is the perfect cuboid problem

Reply Like? Yes | No

Leon Zhang 8 years ago

1,2,5,3,10,25,30,16,31,80,?

Reply Like? Yes | No

madhusudan 8 years ago

Anil is designing a database of motor vehicles. It has one base entity ‘Vehicles’ which is classified into
two sub-entities, 2 wheeler and 4 wheeler. He further breaks them down into more entities. What is the process
being used here?

Reply Like? Yes | No

Leon Zhang 8 years ago

-5, 1, -11, 23, 29, 17, -20, -14

Reply Like? Yes | No

HARMEET KAUR 8 years ago

-5, 1, -11, 23, 29, 17, -20, -14, -26

Like? Yes (1) | No

Manoj Kumar 8 years ago

Hello friends all of u good night

Reply Like? Yes | No

dhinesh pandi to Jasmine Khan 8 years ago

hiiiiii. i want to know this answer clearly

Reply Like? Yes | No

Harish 8 years ago

4 6 12 24 44. ?

Reply Like? Yes | No

Karan 8 years ago

4 6 12 24 44 74
44+5*6=44+30=74

Like? Yes (2) | No

Harish 8 years ago

1 4 18 146 ? 74818

Reply Like? Yes | No

Karan 8 years ago

1 4 18 146 2338 74818
146*16+2= 2336+2=2338

Like? Yes (2) | No

Harish 8 years ago

the sum of 9/11th of x and 5/8th of y is 112 and the value of x is greater than the value of y by 24. what is the value of y ?

Reply Like? Yes | No

Karan 8 years ago

x=88, y=64
then 72+40=112
x-y=24

Like? Yes (2) | No

sourabh pandey to serina 8 years ago

Hi,can u help me for job preparation??

Reply Like? Yes | No

UTKARSH 8 years ago

V=u+at
And v=s/t
Therefore u+at=s/t
If we solve it we get
S=ut+at^2(but s=ut+1/2 at^2)
Why?

Reply Like? Yes | No

Karan 8 years ago

V=u+at ... Here V is final velocity after time t.
And v=s/t .. Here v is average velocity.

Like? Yes (2) | No

Karan 8 years ago

Average velocity = (v+u)/2 = (u+at+u)/2 = u+at/2
s= average velocity *t= (u+at/2)*t = ut+(1/2) at^2

Like? Yes (2) | No

UTKARSH 8 years ago

How to prove coalltz conjecture

Reply Like? Yes | No

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