Official Quant thread for CAT 2013

How many three-digit positive integers have their hundreds, tens and units digits in ascending order?

  • 80
  • 70
  • 84
  • 77

0 voters

Hi all, I am in desperate need of AIMCAT 2012 questions and their solutions. My login credentials for AIMCAT 2012 has expired and I am stupid enuf not 2 save the papers. Can anyone please provide me a solution to this? can any 1 send me the aimcats to my mail..???. plssssssssss................

Find the largest power of 2 that divides [2Β²ΒΊΒΉΒ³/(2Β²ΒΊ + 13)] completely where [x] is the greatest integer less than or equal to x.
A. 0 B. 7 C. 13 D. 20

Hi,

could anyone help me with this quwstion asked in aimcat, I am attached the jpg file.
After watching the Attached file pls reply to this:

I dont want the answer, just want to know the method how the respective % of X,Y,Z were found in Cities A,B and C. Please explain the method.

It was asked in AIMCAT 1420

Thanks πŸ˜ƒπŸ˜ƒ

an electrician bought an old fan of rs 1200 and spent 15% on repairing. if he wants to make a profit of rs 483 then what percentage should be added in its purchase price?
please explain is there an difference between cost price and purchase price

8 men and 12 women can earn rs 3720 in 6 days and 15 man and 10 woman can earn rs 6800in 8 days. in how many days 12 men and 5 women can earn rs 6655?
please explain properly so that i can understand properly . please help me . thanks a lot

[198-(56+43) ? [(9)square+underroot324]

before square a consider as part a and after square part b

  • part a is equal to part b
  • part a is greater than equal to b
  • part a is smaller thn part b
  • part a is greater than or equal to b
  • part a is smaller than or equal to part b

0 voters

please explain value of underroot -49
and find the complete question in photograph

data sufficiency:-
q- how much income tax is a man is paying per month?
1. the income tax rate is 20%of his salary
2. the man earns twice what his wife does.

The circle O having a diameter 2 CM, has a square inscribed in it. Each side of the square then taken as a diameter to form 4 smaller circles. Find the total area of all 4 circles which is out side the circle O.(1) 2 (2) pie - 2 (3) 2- pie/4 (4) 2- pie /2

data sufficiency
how much simple interest do i earn on a capital of rs 10000 in four years
1.the rate of interest is 20% per annum
2. my capital would double in 5 years 😠
my answer is we can solve it by any statement
and system answer is we cannot solve it by using both statement

50c0+50c2+50c4+50c6+.............................50c50.


where c represent COMBINATION

approach please

there is 120 players ,having a chest number 1 to 120,seated in circular arrangement . the coach of team start selecting the player in a strange manner , players numbered 1 is selected for sprint and after that every 11 player is selected for sprint , the counting continues until it ends at player number 1 , similarly starting from 1 every 9 player is selected in shot-put,every 7 player fror javelin and every 8 player for discus throw.


hoe many players are not selected in any of the 4 sport ?
options
a)45
b)65
c)33

approach please

Let N = (666)2 + (aaa)2 where 'N' is a natural number and 'aaa' is a three-digit natural number. Then 'N' is definitely divisible by which of the following numbers?

222
444
12321
666
37πŸ‘πŸ‘

Given that: f(n) = 2^n, for n β‰₯ 2 f(n) = 0, for n
1024
1023
511
984

Let A= set of all divisors of 8100 and B= set of all divisor of 21600. What is the product of elements of AUB?

Ans. 2^189 * 3^144 * 5^81

rajat cut out two identical triangle pieces of cardboard of 300 sq cm and then placed on the table , one on the top of the other such that two triangle completely coincide with each other . now if he rotates one of the triangle by 180 degree about a vertical axis passing through its centriod , find the area that is common to both the triangles?

options
a)100
b)150
c)200
d)133.33

approach please

A racetrack is in the form of a right angled triangle. The longer of the legs of track is 2km more than the shorter of the legs. The start and end pts are also connected thru a side rd. The escort vehicle for the race took the side road and rode with a speed of 30km/h and then covered the 2 intervals along the highway during the same time with a speed of 42km/h. Find the length of the racetrack ?


a. 14 b. 10 c. 24 d. 36

The remainder when (2^2)+(22^2)+(222^2)+(2222^2)+.......+((222......49 twos)^2) is divided by 9 is?

in a scalene triangle the sum of sides of a scalene triangle can be atmost 100 units . how many triangle would be possible if each side has to be a natural number?


approach please