Official Quant thread for CAT 2013

Plz Make it simple...

X and Y belong to a set of positive integers. The probability that a randomly chosen value of Y satisfies the equation. |3X-13Y| = 2

To get in a good international college through GMAT what kind of CV is required, is it necessary to join an NGO? If yes then what kinds of?





In how many ways 21600 can be written as a product of 2 numbers a and b if HCF of a and b is 1?

Options: 4, 8, 16, 32

Set A = {1,2,3.... 1000}. How many AP of 3 or more terms can be formed from the elements of A that start from 1 and end with 1000.

Options: 4, 6, 7, 8

if x^2+y^2+z^2=2 range of xy+yz+xz?

1. 0 to root6

2. -root6 to root 6

3. -2 to 1

4. -1 to 2

5. none of these

Approach plz..

CAT 2008 Question: Last two digits of 7^2008 :mg:


Options: 01,41,61,81,91

Which of the following relations best describes the graph given below

Y= | log x | x>0

Y= minus | log x | x

Y= | log (-x) | x>0

Y= | log (-) | x

guyz plz paste some link on questions for graph..... or any good thread pg


145 = 1! + 4! + 5! only number which can be expressed as the factorial summation of it's individual digit.

just read this somewhere...thought y'all might wanna know!

Find the minimum value of 4^sinA for 0°

1. 1

2. 0

3. – 1

4. 1/4

5. 1/2

If sin^2 + 2cos – 2 = 0, then find the value of cos^3 + sec^3

1. 1

2.

3.

4. 2

5. 0

Which of the following best describes the graph

0

|x| =1

|x | >= 1 and | y |>= 1

|x|

Please find ahead the attached question


y= log x to the base e
y= log (x-1) to the base e
y= log (x/2) to the base e
y= log 2x to the base e

sin (180° +A) sin (180°– A ) cosec^2 A is equal to

1. 1

2. –1

3. 0

4.

5. None of these

In how many ways can 72 be written as a product of 3 integers ?


A) only positive integers

B) all integers


Answer is not known.

no of positive integral sol for a+b+c+d=20 where a>b 😠 444 356 402 360......explain with approach

Please find ahead the attached question. Find the relation which best expresses the graph


y= log x to the base 0.5
y= log (x-1) to the base 0.5
y= log (x/2) to the base 0.5
y= log 2x to the base 0.5

shortest distance for an ant to reach from one corner to another .Given length of the cube a units?