Official Quant thread for CAT 2013

a parallelogram having an acute angle 30 degrees who area is equal to the perimeter and the sides are whole numbers how many such parallelograms are possible??...options 0 1 2 3

Consider all possible seven digit binary numbers having four 1's and three 0's. What is the sum of all such numbers?

K is a 3 digit number k1 k2 k3 are number obtained when k is in base 5 7 and 9 respectvly..the units place in k1 k2 k3 is 2..how many such possible values of k are there?? options 0 1 2 3

How many combinations are possible such that summation of three different prime numbers less than 100 are divisible by 6.

1) 0

2) 11

3) 77

4) 66


@hexagon @Dexian @ankita14 @ralins @placiddisciple

@blowcat13

K is a 3 digit number k1 k2 k3 are number obtained when k is in base 5 7 and 9 respectvly..the units place in k1 k2 k3 is 2..how many such possible values of k are there?? options 0 1 2 3



Ans : 3

F(x) is a function. it satisfies the conditions below
F(A) = 3465 and F(A) + F(B) +.....+ F(N) = 2NF(N) where N is any natural number greater than 1 .
Find F(6)


NO OF STEPS IF IT IS STATIONARY????? @Dazed-Confused


let g(x) be a function satisfying g(a)/g(b)=g(a/b) for all the real values of a and b. if g(c) = 1/9, then find g(1/3)


A square ABCD is constructed inside a triangle PQR having sides PR=10 cm , PQ=17 cm
and QR=21 cm .find the perimeter of the square ABCD.(fig attached as image)
Not sure of OA.

  • 28.8
  • 28
  • 23.2
  • 25.4

0 voters

|x+1||x-1|=a^2-2a-3
if x belongs to real then find a...

please explain

If f(x+1) = 3[f(x)]^2 - 2 for all numbers x, then f(x+2) = ?


@blowcat13 🍻

How many different terms does the product (a + b + c + d + e + f)(c + d + e + f + g) have?


the last digit of 108^107^106................^1

  • 2
  • 6
  • 8
  • 4

0 voters

The probability that the 13th day of a randomly chosen month is friday is ?

  • 1/7
  • 1/84

0 voters

A B C D are four points on a plane such that ABD and DBC form two triangles area of ABD is 10 units area of BDC is 20 units..what is ratio of lengths of AD/DC??

IN triangle ABC..angle A is smallest..A+7B=112..find the range of C???

remainder when 19^92 divided by 92


a.1 b.0 c.40 d.48. e.none of these

The number of values of 'x' less than 30 for which 50! – x! ends in 6 zeroes is:?


The simplified value of the fraction : {(2^3-1)(3^3-1)….(100^3 -1)}/{(2^3+1)(3^3+1)….(100^3+1)} is-

20202/30300

20100/ 30201

20200/ 30303

10101/ 30303