Official Quant thread for CAT 2013

plz solve

plz solve and explain

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What is the sum of the infinite series 1 + 4/7 + 9/7^2 + 16/7^3 + 25/7^4 . . . . . .. And how to prove it?

Average of first natural number in which one number is missing is 27+4/13 . find missing no.

if 3y+x>2
and x+2ythen find whether
y=1,y1 or y=0

The radius of circle with centre C is 5 units. What is the radius of the biggest circle.?

Plz explain the approach 😃

What kind of questions make use of chinese remainder theorem, any examples?

What is the difference between altitude and Perpendicular bisector ? Both Makes 90 Only know ?

plz tell the approach for such max/min questions

Share u r approach...

guyz plz chk mistake on previous question posted on average its 50+1/11 not 501/11

highest possible value of n for which (3^1024) -1 is divisible by 2^n

  • 11
  • 12
  • 13
  • 10

0 voters

@ank_kool

highest possible value of n for which (3^1024) -1 is divisible by 2^n



1) 10



2) 11



3) 12



4) 13 Skip



plz tell the approach for this .

I am getting ans as 11 following the eulers theorem .. but we get ans as 12 through binomial

logical reasoning...previous years cat papers or aimcats?

the sum of n terms of an A.P is n(n-1) what is the sum of squares of these terms???

What is the min value of |x-1|+|x-2|+................+|x-10| ??? 😛 Easy one

Find the Last Two Numbers of

2^2^2013

Can somebody explain this ?

In how many ways 2004 can be written as the sum of two or more consecutive positive integers ?

Solution :

No. of Odd divisors of 2004 - 1
4-1 = 3

LCM of 2001 ! & 2004 × 2003 × 2002 is..


Plz share approach too..