MBA Exam

K(N) denotes the number of ways in which N can be expressed as a difference of two perfect square.Which of following is maximum?

1) K(110)
2) K(105)
3) K(384)
4) K(450)

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MBA Other Question

Find the largest number n such that (2004!)! is divisible by ((n!)!)!

1) 2
2) 4
3) 5
4) 6
5) 7
N= 202x2002x20002x........200000(31zeroes). The sum of the digits in this multiplication will be:Pls post the soln

1) 112
2) 160
3) 144
4) cannot be determined