Official Quant thread for CAT 2013

The sum of 3rd and 15th elements of an arithmetic progression is equal to the sum of 6th, 11th and 13th elements of the same progression. Then which element of the series should necessarily be equal to zero?

(1) 1 st (2) 9 th (3)12th (4) None of the above

The number of divisors for 16380 is

(1) 24 (2) 36 (3) 72 (4) 108

The number of divisors for 16380 is

(1) 24 (2) 36 (3) 72 (4) 108

How many sides does a regular polygon have if its interior angle is eight times its exterior angle?

(1)16 (2)24 (3)18 (4)20

explain approach also please!!

The HCF of two numbers X and Y is 6 and their product is 90720. How many pairs of such numbers are possible?

(1)36 (2)16 (3)12 (4)8

The number of distinct 4 digit numbers which contain at most two distinct digits?

(1)576 (2)616 (3)596 (4)192

Two teams Arrogant and Overconfident areparticipating in a cricket tournament. The oddsthat team Arrogant will be champion is 5 to 3, andthe odds that team Overconfident will be the

champion is 1 to 4. What are the odds that eitherArrogant or team Overconfident will become thechampion?


Please explain this one @Smoke.7ore

for all positive "n",
A(n+2)=[A(n)+2012]/[A(n+1)+1]..
find the minimum value of A(1)+A(2)

  • 507
  • 407
  • 613
  • 213

0 voters

A,B,C,D,E and F are six positive integers such that,
B+C+D+E = 4A
C+F = 3A
C+D+E = 2F
F = 2D
E+F = 2C+1
A is a prime number between 12 and 20.
Question 1. The value of F is :-A). 14 B). 16 C). 20 D). 24 E). 28
Question 2.
Which of the following must be true?
1. D is the lowest integer and equals 14
2. C is the greatest integer and equals 23
3. B is the lowest integer and equals 12
4. F is the greatest integer and equals 24
5. A is the lowest integer and equals 13

picked it up from 2014 quant thread ... OA nahi pata.. 😃


Smoky bhai :angel: and bhai mere :mg: started running simultaneously from diametrically opposite points on a circular track. They ran in opposite directions and met after 12 minutes for the first time. If the distance between them exactly 't' minutes after they start is equal to a quarter of the length of the track, which of the following is not a possible value of 't'?

1. 42

2. 78

3. 90

4. 144

yaar kuch XAT k DI k liye upaye batao? @rgvcat_2013

questions daalo bhaiyo. mere to khatm 😛

A cube of 7cmx7cmx7cm is kept in the corner of a room and painted in three different colors, each face in one color. The cube is cut into 343 smaller but identical cubes;
How many smaller cubes have -
1. one face painted
2.no face painted
please give explanations too and if there is any trick or formula then please mention it too?

Find the 100th term of the series 10,23,60,169,494….

(1)1549982 (2)1392800 (3)105066 (4)1050600

The area of the region inscribed between the circumcircle and incircle of a regular hexagon is found to be 1225pie. Find the area of regular hexagon.?


A and B walk up an escalator.The escalator moves at a constant speed .A takes six steps for every four of B's steps.A gets to the top of the escalator after having taken 50 steps,while B (because of slower pace lets the escalator do a bit more of the work) takes only 40 steps to reach the top.If the escalator were turned off,how many steps would they have to take to walk up?
80
100
120
160


10% loss on Selling Price is what % lost on Cost Price?

a) 9.09%

b)10%

c)11%

d)11.11%


I know it's simple but somehow the concept is not hitting me, will marked price be considered here in any case?

In a certain store, the profit is 320% of the cost. If cost increases by 25% but the selling price remains constant approximately. What % of selling price is the profit?

a)30%
b)70%
c)100%
d)250%
Q. In ΔABC, AB = 6 cm and AC = 12 cm. D is a point on BC such that AD bisects ÐBAC. If ÐBAC = 60°, find AD (in cm).
[a] 6
[b] 4 sqrt (3)
[c] 5 sqrt (3)
[d] 6 sqrt (3)