Official Quant thread for CAT 2013

@bono32323

2^133 divided by 133 , remainder ? 😃



remainder will b 3 .. 😃

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:

A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 38 years now, the son's age five years back was:

In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

What is the probability of coin and dice questions coming under the chapter probability being asked in CAT? Have they been asked frequently in previous years?

How many factors of 12! are perfect squares?

a.24 b.30 c.42 d.36

A man invests Rs 20,000 in a bank, that offers 5% interest.He collects only the interest at the end of 1st year and invests it in a scheme that offers 100% returns every year, while the principal is placed in a 5 year term deposit at 5% compounded annually. what is the value of its investment at the end of 6th year?



a)58670
b)32760
c)57520
d)58760

plz explain the approach

The visitors to an orphanage donates Rs 1 each. the orpphanage collects the money at the end of the year and deposit it in a bank offering 20% compounded annually. in the first year the number of visitors are 1000.If the number of visitors keep on doubling every year, what is the total value of deposit at the end of 4 years?

a)9408

b)17408
c)10124
d)21062

3 equal circles of unit radius touch each other ,then what is the area of circle circumcribing the 3 circles? answer with explanation.

Mark up percent is percentage increase in CP such that it becomes equal to marked price.


A man makes a profit of 8.8% after giving a discount of 13.4% on his marked price.Find his mark up percent.

Give explanation as well
  • 25.6
  • 24.8
  • 23.9
  • 28

0 voters

A man borrowed certain amount at 10% compound interest , with an understanding of repaying it in 3 annual installments of 10000 each, but after 2nd installment is paid the interest rate is increased to 20%. how much more he has to pay for 3rd installment?

a)2000
b)909
c)1100
d)1350

Hii...

Is there anybody who has taken TIME Test series & then dropped the plan to give CAT or wont take the sectional tests, CRTs & Mock CATs?
I want the portal at TIME. Please let me know if someone is interested in selling so.

6 boys and 3 girls are randomly placed in a row. Determine the probability of no two girls being placed adjacently.

1. 7/23

2. 7/24

3. 5/12

4. 6/12


When a producer allows 36% commission on retail price of his product ; he earns a profit of 8.8%; What would be his profit % if the commission is reduced by 24%? - Source: Endeavor Careers Mock 2


a 49.6pc b. 57.8pc c 66.5pc d 10.2pc

In a triangle ABC. A=60, B=70. The distance of a point in the plane containing the triangle is 8 from each of the vertex. Find length of BC?

  • 8_/3
  • 10.5
  • 8_/2
  • 8

0 voters

A lighthouse facing north,sends out a beam of light extending from north-east to north-west. An observer on a steamer sailing due west, first sees the light when he is 5km away from light house and continues to see it for 30_/2 minutes. What is speed of steamer?



Share the approach

  • 20_/3
  • 20
  • 10_/3
  • 10

0 voters

There is no flow of water (NO Stream - non flowing water)from P to Q. But there is a stream from Q to R. It takes 4hours for a man to row a boat from P to Q While returning back it takes 6 hours due to opposite stream from Q to R. If there was even stream from P to R i.e through out from P to R,it would have taken 3.5 hours to go from P to R. find out what time it would have taken to return back under this condition of stream from P to R.??

In a school the ratio of boys: girls is 5:3. Next year same number of boys and girls join the school. Find the ratio of boys:girls then ?

2 friends X and Y get out of their house and move in the same direction towards a hospital and reach there simultaneously. Next day Y got late by 19 mins and meet X 19 kms away from the hospital. Find the speed of X and Y ?