Official Quant thread for CAT 2013

Thomas and I bet on each game of a series of chess games.Bet amount in each game is twice of the previous game. The series ends when I win a game. First game's bet = Rs 2

Odds of thomas winning a game against me = 9:1

How much Thomas lose or gain at the end of the series?

A milk man has 100 lit. milk
sells 10 lit adds 20 lit. water then
sells 15 litres adds 20 litres water then
sells 30 lit. and adds 10 lit water
find final solution has how much milk n water?


There r 5 boys and 6 girls , a commitee of 4 is to be selected such that it consist atleast one boy and atleast one girl ??


plz post solution

A certain number is divided by 385 by division by factors. The Quotient is 102., The first remainder is 4, the second is 6 and 3rd is 10. Find number 1) 39654 2)32754 3)38554 4) none

Hey Puys. anyone please send the pdf for previous years aimcats at tusharsaluja01@gmail.com or share the link here.

A Tower has 10 floors each need to be painted with either pink or yellow color. But no two adjacent floors are to be colored pink. In how many ways the tower can be painted?

A and B working together can build a wall 221m long in 11 1/9 days (mixed fraction). If they work on alternate days to build a wall of twice the length it takes them 22 1/4 days to finish with A starting the work. If they earn a total of 1800. What is B's share?

the interior angles of octagOn are in A.P..IF THE LARGEST AND SECOND LARGEST have an average of 153 find average of the least two

Five balls of different colours are to be placed in three boxes of different

sizes. Each box can hold all five balls. The number of ways in which we can

place the balls in the boxes so that no box remains empty is

(a) 132 (b) 155 (c) 143 (d) 150

  • c
  • b
  • a
  • d

0 voters

o and o' are centers of two circles with radii 7 and 9 respectiv..distance between centers is 20..if PQ is transverse common tangent to circles which cuts oo' at X ... find the length of o'X??

Find the number of digits in 1001^101 1)202 2)203 3)303 4)304 5)306 -

N is a natural number.How many values of N exist such that N^2 + 24N + 21 has exactly three factors? 1)0 2)1 3)2 4)3 5)more than 3 -

)Let n = 99999…….99 be an integer having 2009 9s.Find the sum of digits on n^2. 1)18072 2)18081 3)18090 4)18080 5)18073 -

Find the remainder of 2133 divided by 133.

A natural number 'N' has the following properties: I. The total number of multiples of 'N', which are less than 100 is same as the total number of factors of N. II. The total number of factors of 'N' is not more than 3. How many such natural numbers exist? (1)5 (2) 2 (3) 3 (4) 6 (5) 4 -

which is the best institute for CAT's prep.?

Find the digit at the ten's place of the number N = 7^281 × 3^264. (1) 3 (2) 4 (3) 5 (4) 6 (5) 7 -

Let S be the sum of the factorials of the 1st eight whole numbers.Find the remainder when 5^S is divided by 13.

The first 100 positive even numbers are written on a white board and the multiples of 10 are erased from the list. What is the unit's digit of the product of the remaining numbers? (1) 2 (2) 4 (3) 6 (4) 8 (5) None of these

a quadrilateral PQRS circumscribes a circle with center O. It is given that PQ is parallel to RS and also thrice of RS.. while lengths of QR and PS are equal and they are not parallel. if the perimeter is 24 cm.. what is PQRS area??