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2 is not equal to 3 – not even for very large values of 2.

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MATHEMATICS IS THE BUILDING BLOCK OF ALL SCIENCES AND ENGINEERING

Lukman Hussaini Tambuwal

Placed User Comments

M4Math helped me a lot.

Vipul Chavan 4 years ago

Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.

yash mittal 5 years ago

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(10 years ago) "Other"

Dear friends,

Please find below the details of current openings for freshers and experienced in Tk20(India) Pvt. Ltd,Chandigarh :-

Product Services Trainee (Product Services Group)

•BCA, BA, M.A or any other non-technical Graduate.

•Proficient in Microsoft Excel and Word.

•Strong attention to details and accuracy

•Demonstrated ability to understand complex systems and data

•Build and customize a variety of product-specific deliverables on production and testing servers, including but not limited to assessment tools, hierarchies, templates, standards, etc.

•Apply the best practices for Tk20 configuration to all configuration work done on production and internal servers.

•Conduct quality control checks on the completed data load requests.

•Communicate effectively in written English with Data Loads Team members to identify discrepancies or errors identified in processed data loads and the data logs via the appropriate request tracking tool.

•Communicate effectively in written English with Products team members and Customer Support team members to clarify doubts or provide work status updates related to configuration request or special projects via the appropriate request tracking tool.

•Excellent verbal and written communication skills.

Senior Test Engineer (Testing Group)

•MCA, B. Tech, M. Tech with 2-3 years of experience.

•2 or more years of experience in Testing or Quality Assurance

•Possess hands-on experience in database testing and knowledge of SQL queries

•Possess 2 or more years of experience with test documentation and test reporting using any industry-standard defect tracking tools

•Demonstrate proficiency of the SDLC and Test Life Cycle processes

•Possess exemplary English verbal and written communication skills

•Experience testing for responsive frameworks and on mobile devices such as iPad and Android tablets is preferred

•Experience using automated testing tools like Selenium is preferred

•Define and refine test cases that address data validation and requirements in a variety of scenarios

•Participate in team reviews of software requirements documentation to ensure accuracy, completeness, and mitigate risks

•Execute manual and automation test suites in accordance with project timelines and delivery dates

Performance Test Engineer (Automation Testing Group)

•MCA, B. Tech, M. Tech with 2-3 years of relevant experience.

•Relevant experience in JMeter Load testing tool

•Experience with tools and techniques for performance measurement, profiling, and optimization

•Performance Test requirement analysis with static testing knowledge.

•Excellent decision maker with strong performance architect level knowledge on both technology and infrastructure

•Very strong in design of test framework, load simulation model, load stats calculations

•Very strong in test script development using JMeter on (Web Protocol), WebServices (over HTTP).

•Strong programming level knowledge using Java, preferable knowledge on Unix and Linux

•Need to have implementation experience of various innovative ideas

•Should have experience with automation scripts using Selenium Webdriver

•Good knowledge of DBMS and SQL queries.

Software Engineer-Trainee (Automation Testing Group)

•MCA, B.Tech, M.Tech candidates with no backlogs. 2015 batch is eligible to apply if they can join on immediate basis.

•Demonstrate excellence in Core Java skills

•Demonstrate a solid understanding of the Software Development Life Cycle (SDLC)

•Possess experience in writing defect guidelines

•Possess strong knowledge of a functional automation tool, Selenium preferred

•Possess strong analytical and logical reasoning skills

•Possess excellent verbal and written English communication skills

•Write automation test scripts in Selenium framework

•Automate test scripts using Core Java

•Work on load test scripts using existing Selenium framework and other tools as needed

Team Lead (Customer Support Group)

•Graduation in English, Communications, Business, Humanities or related field

•1-3 years of experience in a customer support or customer service domain

•1-2 years of experience providing customer support in a written format preferred

•1-2 years of experience handling a team or supervisory experience preferred

•Readiness to mentor and lead a team of minimum 6-10 resources

•Possess excellent English verbal and writing communication skills

•Demonstrate a high proficiency in using web-based applications

•Demonstrated strength in people and process management, including but not limited to effective delegation, mentoring, communication, and time-management skills

•Demonstrate a willingness to work in rotating shifts, including night, weekends, and Indian festivals

•Distribute inbound customer queries and requests to resources efficiently during the shift

•Assist Customer Support Specialists to investigate and resolve complex queries or requests from customers

•Provide Customer Support Specialists with coaching, mentoring, and training on internal processes and the Tk20 software application

Please forward your resume on gobind.ece01@gmail.com with respective subject title.

Note:Please send the resume only if you are willing to give the interview and come in Chandigarh.
Dates of interview will be announced in coming days.

Reply Like? Yes | No

(10 years ago) "Other"

Hi frdz, my elitmus score is
verbal- 40.16
Prob sol - 51.84
Quants - 61.46
is there any chance of getting call from company?? or
should i write elitmus again??

Reply Like? Yes (1) | No

(10 years ago)

What is ur percentile friend?

Like? Yes | No

(10 years ago)

And when u take ur exam and got reslut?

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(10 years ago) "Other"

The rate of color toner increase $33 to $35 and rate of black & white toner increase $27 to $28.If the company spends $1540 in which 3/5 is color toner,then how much total expenditure increase after cost hike?

Reply Like? Yes | No

(10 years ago)

total expenditure will increase by 78.8$

Like? Yes | No

(10 years ago)

for color toner % of rate inc=(35-33)*100/33 =200/33
for b&w toner, % of rate inc=(28-27)*100/27 =100/27
now,
total expenditure={(1540*3/5)*2/33} + {(1540*2/5)*1/27}
=56+22.81=78.81 ans

Like? Yes | No

(10 years ago) "Other"

I thought sum of all digits

Reply Like? Yes | No

(10 years ago) "Other"

hw to prepare for ibm no. series problem and english assesment test?

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(10 years ago) "Other"

A five -digit number divisible by 3 is to be formed using numerals 0,1,2,3,4 and 5 without repetition. The total number of ways this can be done is?

Reply Like? Yes | No

to (10 years ago) "Other"

Hi friends if you have any Placement Paper plz forward to me .my email kumar.santhosh449@gmail.com

Reply Like? Yes (1) | No

(10 years ago) "Other"

The average age of Subash, his wife and two children is 23 years. His wife is just 4 year younger than Subash himself and his wife was 24 year old when his daughter was born. He was 32 year old when his son was born.The average age of Subash and his daughter is???

Reply Like? Yes | No

(10 years ago)

hi!
when his daughter born
wife=24
subash=24+4=28
daughter=0
when son born
subash=32
wife=28
daughter=4
avg of their age when their son born is (32+28+4+0)/4=16 but the avg must be 23 so by increasing each ones age by 1,
(33+29+5+1)/4=17
.
.
.
(39+35+11+7)/4=23
so the avg of subash and his daughter is (39+11)/2=25
answer is 25

Like? Yes (2) | No

(10 years ago) "Other"

QJW * GSJ
_____________
WPGS
DDPJ
WAJJ
___________________________
WSQDQS
_____________________

Reply Like? Yes | No

(10 years ago) "Other"

A 5 litre jug contains 4 litres of a salt water solution that is 15 percent salt. If 1.5 litres of the solution spills out of the jug, and the jug is then filled to capacity with water,approximately what percent of the resulting solution in the jug is salt?

a.7.5%
b.9.5%
c.10.5%
d.12%

Reply Like? Yes (40) | No (8)

(10 years ago)

7.5% is the answer

Like? Yes (15) | No (6)

(10 years ago)

Salt Water Solution =4 litre
Salt water solution after spilling out = 4-1.5 = 2.5 litre
Salt in the solution = 2.5*15% = (3/8)
As previously when the water spills out solution remained was 2.5 litre now 2.5 litre more water is added to fill the jug Now percentage of salt in 5 litre solution = ((3/8)/5)*100 = 7.5 %

Like? Yes (28) | No (8)

(10 years ago)

7.5% percent of resulting solution in the jug is salt

Like? Yes (21) | No (6)

(10 years ago)

Option a..... 7.5%....

Like? Yes (11) | No (3)

(10 years ago)

(a) 7.5% is the answer

Like? Yes (9) | No (4)

(9 years ago)

ya 7.5 is the answer

Like? Yes (9) | No (2)

(9 years ago)

Salt in 4 lts = 4*15/100 = 0.6lts
Salt in 1.5 lts = 1.5*15/100 = 0.225lts
Salt remaining = 0.6-0.225=0.375 lts
percentage of resulting solution : 0.375 lts * 100/5lts jug = 7.5%

Like? Yes (16) | No (5)

(9 years ago)

a. 7.5% is the answer this ques

Like? Yes (12) | No (4)

(9 years ago)

7.5% is correct answer

Like? Yes (8) | No (7)

(9 years ago)

7.5% is answer

Like? Yes (10) | No (5)

(9 years ago)

7.5% is answer

Like? Yes (10) | No (6)

(9 years ago)

7.5% will be the answer

Like? Yes (8) | No (7)

(9 years ago)

7.5% is the answer

Like? Yes (9) | No (5)

(9 years ago)

7.5% of the resulting solution in the jug is salt

Like? Yes (11) | No

(9 years ago)

7.5% of the resulting solution in the jug is salt

Like? Yes | No

(9 years ago)

a. 7.5% is the answer

Like? Yes (2) | No

(9 years ago)

Salt in Jug = 4 * 15/100 = 0.6

After 1.5ltr Spitting out from Jug = 4-1.5= 2.5ltr

Now Salt in 2.5 ltr = 2.5*15/100 = 3/8ltr

Percentage of Salt Solution in the jug = (3/8)/5 * 100 = 7 . 5 % Ans

Like? Yes (3) | No

(9 years ago)

7.5 is the answere

Like? Yes (2) | No

(9 years ago)

7.5 % IS CORRECT ANS.

Like? Yes (1) | No

(9 years ago)

7.5% is the answer

Like? Yes | No (1)

(9 years ago)

a. 7.5% is correct

Like? Yes (1) | No

(9 years ago)

7.5 is the answer

Like? Yes | No

(9 years ago)

7.5% is answer

Like? Yes | No

(9 years ago)

7.5% is the right answerr...

Like? Yes | No

(9 years ago)

a) 7.5 % is correct

Like? Yes | No

(9 years ago)

7.5%
it is the right answer

Like? Yes | No

(9 years ago)

ya option A is correct

Like? Yes | No (1)

(9 years ago)

(a)7.5% will be answer

Like? Yes | No

(9 years ago)

answer is the 7.5%

Like? Yes | No

(9 years ago)

15% of remaining solution ie 2.5 is 0.15*2.5=0.375
total solution =5 litre
% of salt in resulting solution= (0.375/5)*100=7.5%

Like? Yes (3) | No

(9 years ago)

7.5 is the answer

Like? Yes (2) | No

(9 years ago)

7.5% option a is correct

Like? Yes (1) | No

(9 years ago)

answer is 7.5 %.............

Like? Yes (1) | No

(9 years ago)

very interesting arthemetic problem

Like? Yes (1) | No

(9 years ago)

7.5% is the correct answer

Like? Yes | No

(9 years ago)

7.5% IS THE ANSWER

Like? Yes | No

(9 years ago)

7.5% is the right answer.

Like? Yes | No

(9 years ago)

7.5 of the resulting solution in the jug is salt

Like? Yes | No

(9 years ago)

Plz provide me latest TCS placement papers with explained and solved answers to my email ID shrii22992raj@gmail.com

Like? Yes | No

(9 years ago)

The answer is 7.5%

Like? Yes | No

(9 years ago)

Jug capacity - 5litre
At Beginning Jug contains - 4litre (Salt(15%) +Water(85%))
1.5litre spills out - 2.5litre remaining (Salt(15%) + Water(85%))
after filling remaining place in Jug with water - 5litre (water(185%) + salt (15%))
lets assume 200 % = water(185%) + Salt (15%)
then 100% = water(92.5%) + Salt (7.5%)
So Salt is 7.5%.

Like? Yes (1) | No

(9 years ago)

7.5% is correct answer

Like? Yes | No

(9 years ago)

b.9.5% is the answer

Like? Yes | No

(9 years ago)

the answer is a.7.5%

Like? Yes | No

(9 years ago)

7.5% is the correct ans

Like? Yes | No

(9 years ago)

7.5% is the answer

Like? Yes | No

(9 years ago)

Solution:
So, new quantity = 5 litres
Water quantity doubles and
hence, salt must dilute into half
Therefore, salt % is 7.5%

Like? Yes | No

(9 years ago)

7.5% is the answer.............

Like? Yes | No

(9 years ago)

7.5% is the answer

Like? Yes | No

(9 years ago)

7.5 is the correct ans

Like? Yes (1) | No

(9 years ago)

7.5% is correct answer

Like? Yes | No

(9 years ago)

7.5% is write answer

Like? Yes | No

(9 years ago)

The resulting solution in the jug is salt is 10.5%

Like? Yes (1) | No

(9 years ago)

it is 7.5% of solution is salt

Like? Yes | No

(9 years ago)

7.5%is the answer

Like? Yes | No

(9 years ago)

i think ans will be a= 7.5 % if m ryt dn i can xplain other wise....:)

Like? Yes | No

(9 years ago)

7.5% is the answer

Like? Yes | No

(9 years ago)

a is ri8 ans..
a is ri8 ans..

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(9 years ago)

The ratio of cost price of twoarticles was 2:3, by selling getting the gain 10% and 20% then What is the percentage of gain?

Like? Yes | No

(9 years ago)

7.5 is the ans
4ltr -1.5 ltr =2.5 ltr in the 5 ltr jug
then 2.5*15/100 =0.375is the percentage of salt
and for 2.5 salt water + normal water upto top of the jug = 5 litrs in jug
0.375*100/5 lit=7.5

Like? Yes (1) | No

(9 years ago)

7.5% is the answer

Like? Yes | No

(9 years ago)

7.5
7.5 % is answer

Like? Yes | No

(9 years ago)

9.5% will be the ans

Like? Yes | No

(9 years ago)

a. 7.5 % is answer

Like? Yes | No

(9 years ago)

7.5% salt in this jug..

Like? Yes | No

(10 years ago) "Other"

i had given AMCAT exam on jan 03 2015 ..the paper was quite simple.. but results are not yet being announced ... suggestions for amcat preprtn holders ...do apti practice from RS agarwal n go thru d syllabus of AMCAT ... all d bst.. :)

Reply Like? Yes (1) | No

(10 years ago)

Thank you..................

Like? Yes | No

(10 years ago) "Other"

A) fishermen is (B)spottend catching fish on (C) the bank of the river.
(a)
(B)
(c)
NO ERROR

Reply Like? Yes | No

(10 years ago)

ans option A becoz fishermen is plural -there are should come or instead of fishermen there fisherman is correct

Like? Yes | No

(10 years ago) "Other"

I have applied for SEoff Campus registration on 3 January 2015, But I have not recieved my exam date, Please help.
I am 2014 pass-out.
When did you applied & when you got the exam date...
Please help

Reply Like? Yes | No

(10 years ago)

same problem here i registred on december..bt nt yet recieved any mail...

Like? Yes (1) | No

(10 years ago)

Ok @ SEEMA RANA

Like? Yes | No

(10 years ago) "Other"

Hi everyone.. Please suggest me the material required to clear the written test of capgemini?

Reply Like? Yes | No

(10 years ago) "Other"

Total score 115 in elitmus
What are my chnces???

Reply Like? Yes | No

(10 years ago)

may know the pattern of the Elitmus Exam.
how can i prepare for tht to score Best Prsntils. plz sujjst me

Like? Yes | No

(10 years ago) "Other"

4th january elitmus exam resualt declared?????????????????

Reply Like? Yes | No

(10 years ago)

I dont think so...

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(10 years ago)

Your score is being processed. will be released soon
Download Admit Card
Reschedule date is over.

Like? Yes | No

(10 years ago) "Other"

total score 144 In elitmus

quant 85% marks 37.5
verbal 62% marks 56.3
resoning 92% marks 50
wt are my chances??
plzz tell

Reply Like? Yes | No

(10 years ago) "Question"

hii friends can any one tell me about infosys
seoffcampus written xam can u please help me what are the topics i need to cover in quant is rs agarwal verbal is sufficient for verbal part....... prasanna.sri58@gmail.com soo please help me

Reply Like? Yes | No

(10 years ago)

what is ur drive date??? n place

Like? Yes | No

(10 years ago) "Other"

hii friends can any one tell me about seoffcampus written xam can u please help me what are the topics i need to cover in quant is rs agarwal verbal is sufficient for verbal part....... prasanna.sri58@gmail.com soo please help me

Reply Like? Yes | No

(10 years ago) "Other"

Hi frnds..
Plzz send me some latest Question papers of IBM to My Mail ID : bhimireddyreshma@gmail.com

Reply Like? Yes | No

(10 years ago)

hi frnds...
is there anyone got offer letter from IBM for the position of Associate Technical Operator held at MallaReddy College of Engineering on 28th December 2014

Like? Yes | No

(10 years ago) "Other"

The glass lay------on the table.
a)Not Touched
b)untounched
c)untouching
d)not touch

Reply Like? Yes (246) | No (33)

(10 years ago)

untouched....................

Like? Yes (3) | No

(9 years ago)

untouched..................

Like? Yes (2) | No (1)

(10 years ago) "Other"

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)

(10 years ago)

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

Like? Yes (3) | No (1)

(10 years ago)

Option d is da ans

Like? Yes (3) | No (1)

(10 years ago)

option d is the correct answer

Like? Yes (1) | No (1)

(10 years ago)

option d is the answer

Like? Yes (1) | No (1)

(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)

(10 years ago)

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

Like? Yes (2) | No (1)

(9 years ago)

option d is right..

Like? Yes (1) | No (1)

(9 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)

(9 years ago)

OPTION D IS CORRECT .

Like? Yes (1) | No (1)

(9 years ago)

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

Like? Yes (1) | No (1)

(9 years ago)

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

Like? Yes (2) | No

(9 years ago)

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

Like? Yes | No

(9 years ago)

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

Like? Yes | No

(9 years ago)

option d is the correct answer

Like? Yes | No

(9 years ago)

d is the right answer

Like? Yes | No

(9 years ago)

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

Like? Yes | No

(9 years ago)

option d is the answer

Like? Yes | No

(9 years ago)

Option D is the ans

Like? Yes | No

(9 years ago)

option d
(4 C1) 3 / 52 C3

Like? Yes | No

(9 years ago)

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

Like? Yes (1) | No (1)

(9 years ago)

d is ans....>>>>

Like? Yes | No

(9 years ago)

D is the answer

Like? Yes | No

(9 years ago)

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

Like? Yes | No

(7 years ago)

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

Like? Yes | No

(10 years ago) "Other"

plz do any one send me CTS past years papers for this mail id....evanjalin13@gmail.com ....i hav written test on 9th of this month..so plz kindly help me out.....

Reply Like? Yes | No

(10 years ago) "Other"

i have applied for CTS through amcat for 2012 batch and infosys for 2012 batch on 31st december 2014 but they have not called for written test .. plss tell me how much time they take to call for the written test ????

Reply Like? Yes | No

(10 years ago) "Other"

Hii friends......I have my infosys drive on 13th jan 2015.
Someone please give me the infosys recent 2014 placement papers. ...My email id : paulomidas8@gmail.com

Reply Like? Yes | No

(10 years ago) "Other"

Hi..friends...
Any one apply tcs off campus??

Reply Like? Yes | No

(10 years ago) "Other"

alloy of iron and zinc is 5:6, alloy of zinc and copper is 7:8 if both mixed then zinc in new alloy????????????? plz solve and tell me answer

Reply Like? Yes | No

(10 years ago) "Other"

I have amcat exam on 25th january..if anyone could suggest what site could help me best..i would be very thankful...my programming section is a bit weak..i would be really thankful if anyone could suggest me a site which would help me gain good score in programming part.

Reply Like? Yes | No

(10 years ago)

met too givin on the same day

Like? Yes | No

(10 years ago)

Check this out:
http://www.indiabix.com/c-programming/questions-and-answers/
http://www.cquestions.com/2012/05/c-basic-questions.html

Like? Yes | No

(10 years ago) "Other"

Have any one got the online test result of Cognizant through amcat held at st.peters engg. College, Hyderabad fr 2014 batch on 29th december

Reply Like? Yes | No

(10 years ago) "Other"

Have any one got the online test result of CTS through Amcat for 2014 batch at St.Peters Engineering College, hyderabad on 29th December

Reply Like? Yes | No

(10 years ago) "Other"

Reply Like? Yes | No

(10 years ago) "Other"

Anybody written the AMCAT exam for HCL? What are the topics covered in exam & time?

Reply Like? Yes | No

(10 years ago) "Other"

　Read the passage and answer the questions. In 1928, 25 year old John Stewart was (1)_ redundant. He was left with a compensation (2) of $ of 5000 and a determination to be his own _(3) .As a supporter of his local football club, he had often helped them by maintaining and repairing their seating. He now (4)_ to set up his own company and make a (5)_ out of his lobby. His first _(6)_ was to get 1000 brouchures printed, _(7)_ the two main services which he could (8) ,repair and maintenance. He sent these brouchures to amateur and professional football clubs, and other similar (9) such as hockey clubs. The week after completing the mailing was the worst of his life. He had no responses at all. Then a letter arrived from Scotland inviting him to give a (10) for a pre-season check of a football club s seating.

1 Fill in the blank no.1
a) Told b) Made c) Required d) Found e) None of the above

2 Fill in the blank no.2
a) Salary b) Wage c) Payment d) Amount e) None of the above

3 Fill in the blank no.3
a) Boss b) Worker c) Businessman d) Head e) None of the above

4 Fill in the blank no.4
a) Accepted b) Thought c) Liked d )Decided e) None of the above

S Fill in the blank no.S
a) Living b) Practising c) Labour d) Task e) None of the above

6 Fill in the blank no.6
a) Stage b) Point c) Movement d) Step e) None of the above

7 Fill in the blank no.7
a) Declaring b) Expressing c) Outlining d) Designing e) None of the above

8 Fill in the blank no.8
a) Do b) Provide c) Achieve d) Succeed e) None of the above

9 Fill in the blank no.9
a) Organizations b) Situations c) Activities d) Sports e) None of the above

10 Fill in the blank no.10
a) Bid b) Tender c) Valuation d)Quotation e) None of the above

Reply Like? Yes | No

(10 years ago) "Other"

Nobody is sending me any email friend :( I am tensed my inbox has got silent like never before... :( Neither amcat nor litmus nor off campus no body

Reply Like? Yes | No

(10 years ago) "Other"

I solved in Elitmus correctly :
Quant: 4 ques
Problem Solving: 3 ques
English: 10 ques
what percentile I can expect ?

Reply Like? Yes | No

(10 years ago)

which questions you had solved??

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(10 years ago)

in quant... geometry, permutation, number sys, probability... frm reasoning; conclusion type and english: para jumbles, few ques from 2 passage and grammar sec ..

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(10 years ago) "Other"

hi guys Myself Gautam . I am very much weak in English . Due to this I am Unable to crack the english section of any exam like eLitmus , amcat or any written .
So , guys please suggest me that where i would get the material for English so that i could crack these exams

Reply Like? Yes | No

(10 years ago)

There are no books as such, check the verbal section amcat and elitmus from m4maths.com, u will get some idea about verbal questions and u may also get common or similar type of questions.
Also, Solve Verbal section from indiabix.com.

Hope this may help.

Like? Yes (2) | No

(10 years ago)

Gautam - Some of the handy tips to improve English are mentioned at:
http://howtoprepare4cat.blogspot.in/2012/09/how-to-improve-vocab-for-cat-tips-to.html

Like? Yes (2) | No

to (10 years ago) "Other"

Thanks a lot Pradeep Bhai , you have helped me a lot . Thanks for all of your solutions

Reply Like? Yes (2) | No

(10 years ago) "Other"

Q. In a box there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probablity that it is neither red nor green.

Reply Like? Yes | No

(10 years ago)

plz rply soon with proper solution

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(10 years ago)

Total number of balls =n(T) = (8 + 7 + 6) = 21.
Let E = event that the ball drawn is neither red nor green = event that the ball drawn is blue.
=> n(E) = 7 = Number of blue balls.
Probability = n(e) / n(T) = 7/21 = 1/3

Like? Yes (2) | No

(10 years ago) "Other"

I have rs 50
spend 20 balance 30
spend 15 balance 15
spend 9 balance 6
spend 6 balance 0
total spend amount is 50
if u calculate balance will get 51
Why?

Reply Like? Yes (2125) | No (325)

(10 years ago)

The assumption that sum of amount spent = sum of balances is incorrect.
Assume you have 10 Rs and you spend 1 Rs. each day

Spend 1 Balance 9
Spend 1 Balance 8
Spend 1 Balance 7
Spend 1 Balance 6
Spend 1 Balance 5
Spend 1 Balance 4
Spend 1 Balance 3
Spend 1 Balance 2
Spend 1 Balance 1
-------------------------------
Spend Total = 10, Balance Total = 9+8+7+....+1 = 45
As per question you are trying to say 10 = 45

Hence proved that there is no such rule where sum of balance should be equal to sum of money spend. This question not as per mathematical logic and rules.

Like? Yes (232) | No (99)

(6 years ago)

i need answer of this question

Like? Yes (33) | No (3)

(5 years ago)

I need this question answer

Like? Yes (15) | No

(10 years ago) "Other"

hi frends,
i have amcat exam in 6th jan ((CTS)) HW TO PREPARE this site s enough to prepare?gve me sme tips

Reply Like? Yes | No

(10 years ago)

You can try the below test on similar patterns:
http://howtoprepare4cat.blogspot.in/2014/09/free-online-mock-cat-test-instructions.html

Like? Yes (2) | No

(10 years ago)

Another one:
http://howtoprepare4cat.blogspot.in/2014/12/mini-mock-xat-test-instruction.html

Like? Yes (2) | No

(10 years ago) "Other"

Is x^2+y^2 divisible by 5?

(1) When x-y is divided by 5, the remainder is 1
(2) When x+y is divided by 5, the remainder is 3

Reply Like? Yes (2) | No

(10 years ago)

for this answet shoul be x=7 and y=1

Like? Yes | No (1)

(10 years ago)

yes x^2+y^2 is divisible by 5.
x=7 y=1
x-y= 7-1/5=1 reminder
x+y=7=1/5=3 remainder
so, 7^2+1^2=50/5=10

Like? Yes | No

(10 years ago) "Other"

does infy repeat questions??m4maths is enough for new pattern??

Reply Like? Yes | No

(10 years ago) "Other"

my AMCAT score is quant: 83.1, reasoning: 77.9, englissh: 72.5, computer programming: 79.2.. what are my chances of getting shortlisted ? plz help guys

Reply Like? Yes | No

(10 years ago) "Other"

what are the chances through Elitmus Or AMCAT for 2014 batch in the month January February and march 2015 ?

Reply Like? Yes | No

(10 years ago) "Other"

Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train?
(a) 100m (b) 75m (c) 120m (d) 50m

Reply Like? Yes (33) | No

(10 years ago)

relative velocity in same direction =18
as a man observes the elapse not the whole train so here only the length of the faster train will be taken
into account not the slower train so here comes the equation 18(5/18)mps* 15=75

Like? Yes (10) | No

(10 years ago)

use this farmula only for any train releted question
(l*18)/(t*5)=speed
l (lenth) always in meter (add lenth if two lenth of given like train lenth and plateform lenth)
t (time) always in second
speed always in kilometer ( add if two train in going to same direction otherwise subtract)

80% to 90% of question will solve this formula
hope u understand!!
if not solve or any porblem reply..:) :) :)

Like? Yes (11) | No (2)

(10 years ago)

relative speed of faster train will be 18km/hr which means 5 m/sec and it takes 15 min then length will be 15x5=75 m

Like? Yes (4) | No

(10 years ago)

hiii friends im gng to write mcat. pls tell me wt i want prepare???

Like? Yes (3) | No (2)

(10 years ago)

My Amcat score English 64%;quant 97.1%;computer programming-99%;logical 65%;electronics and a miconductor 93.5% plz help my chances of getting a call

Like? Yes (5) | No (1)

(10 years ago)

(b) 75m is the correct answer.

Like? Yes | No

(9 years ago)

answr bb(75m)

Like? Yes (1) | No

(9 years ago)

Relative speed of train will be 18km/hr.so length will be 18*(5/18)*15=75m

Like? Yes (1) | No

(9 years ago)

related to same direction=50-32=18
time=15seconds
speed=(18*5/18)=5m/s
distance=5*15=75m

Like? Yes | No

(9 years ago)

(b) 75m is the correct answer.

Like? Yes (1) | No

(9 years ago)

75(b).==================

Like? Yes | No

(9 years ago)

simply apply the basic formulas of distance and velcity,,,

Like? Yes | No

(9 years ago)

option b is the answer

Like? Yes | No

(9 years ago)

rel. vel=18km/h
so,18*5/18=5m/s
and time=15 sec. total distance=15*5=75m

Like? Yes | No

(9 years ago)

Option b is the correct

Like? Yes | No

(9 years ago)

relative speed in same direction=50-32=18kmph

so distance=18kmph*15sec=>18*(5/18)*15=75m

Like? Yes | No

(9 years ago)

75 m same solution as jyoti

Like? Yes | No

(9 years ago)

Two trains are move same direction =50 kmph-32 kmph
=18 kmph
speed of the train=(18*5/18)m/sec
=5 m/sec
Distance of the train=speed*time
=18*5 m
=75 m

Like? Yes (3) | No

(9 years ago)

L=vt.,.. 5.15 =75..,

Like? Yes | No

(5 years ago)

Speed of First Train s1=50 kmph
Speed of Second Train s2=32 kmph
time t=15 sec
SO,the trains move in the same direction
s1-s2=length/time
(50-32)*5/18=length/15
Length=75m

Like? Yes (1) | No

(10 years ago) "Other"

Nobody replied answers to my questions.IDoes it mean No one knows the answer?

Reply Like? Yes (3) | No (3)

(10 years ago) "Other"

hi...guys can u help me.....to prepare for petrofac...recruitment ..drive...what ares i need to cover to get the good results in that drive ...plz....if any one knows plz....reply.....
.

Reply Like? Yes (1) | No

(9 years ago)

Hi... Do you attended Petrofac recruitment drive? If so plz provide us the interview details as soon as possible...

Like? Yes (1) | No

(10 years ago) "Other"

How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are
divisible by 5 and none of the digits is repeated?
A.5 B.10
C.15 D.20

Reply Like? Yes (5) | No

(10 years ago)

ans is D) 20.
the number of digits formed=5*4*1=20

Like? Yes (2) | No

(10 years ago)

can you explain hw?

Like? Yes (1) | No (1)

(10 years ago)

the last digit must be 5,because the number is divisible by 5.so no of choice=1
the 2nd digit can be selected from remaining 5 numbers.so no of choice=4
the 1st digit can be selected from remaining 4 numbers,because here repitation is not allowed. so no of choice=4

therefore,
total no of choice=4*5*1=20

Like? Yes (3) | No

(10 years ago) "Other"

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be
formed?
A.210 B.1050
C.25200 D.21400
E.None of these

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

(10 years ago)

ans is A.210

7C3*4C2=210

Like? Yes (1) | No (1)

(10 years ago)

i thought same but the ans is 25200.210*5!

Like? Yes (1) | No (1)

(10 years ago)

but how we will get it?

Like? Yes (1) | No (1)

(10 years ago)

210..............

Like? Yes | No

(10 years ago)

7C3 * 4C2 = 210=selection of consonants and vowels. Possible arrangements of these letters =210*5P1=210*5!=25200

Like? Yes (1) | No

(10 years ago)

7C3 *4C2
i.e. 7*6*5/3*2*1 * 4*3/2*1 = 35*6=210.

Like? Yes | No

(10 years ago) "Other"

What is the probability of getting at least one six in a single throw of three unbiased dice?

Reply Like? Yes (2) | No

(10 years ago)

1-(5/6)*(5/6)*(5/6)

Like? Yes (2) | No

(10 years ago)

probability of getting at least one six is =1/2

Like? Yes (2) | No (1)

(10 years ago)

how ????? @ Nauman

Like? Yes | No

(10 years ago)

(6C1++6C1+(6C1 )/6C1*6C1*6C1
=1/12

Like? Yes | No

(9 years ago)

1-p(o)
i.e. 1- 3C0(1/6)^0 * (5/6)^3
= 91/256

Like? Yes | No

(9 years ago)

out comes (6,x,x) (6,6,x) (6,6,6)=3/216==>1/72

Like? Yes | No

(9 years ago)

(6C1+6C1+6C1)/216=1/12

Like? Yes (1) | No

(9 years ago)

number of possiblities are (x,x,6), (x,6,x), (x,6,6), (6,x,x), (6,x,6), (6,6,x), (6,6,6) => 7combinations
total number of possibilites are 6*6*6 => 216 combinations
so answer is 7/216

Like? Yes (3) | No

(9 years ago)

(6c1+6c1+6c1)/6*6*6 = 1/12

Like? Yes | No

(9 years ago)

there are ttl six faces and when it is thrwn 1/6 is prblty as 6 is only on one of the face of six faces.

Like? Yes | No

(9 years ago)

probability of getting 6 on at least one of the three dice= 1-(probability of getting 6 on none of the three)
Since throwing of three dice is independent event.
hence, 1-( (5/6) * (5/6) * (5/6) ) = 1- (125/216) = 91/216

Like? Yes (1) | No

(9 years ago)

prob of getting at least one 6 means that one, two or three sixes so 1/6*5/6*5/6+ 1/6*1/6*5/6 + 1/6*1/6*1/6=31/216

Like? Yes | No

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