MBA Exam

If (24)k is a factor of 5! × 10! × 15!, what is the largest possible integer value of k?

1) 5
2) 7
3) 11
4) 4

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MBA Other Question

How many real n’s are there such that n! is a perfect square?

1) 0
2) 1
3) 2
4) 3
5) More than 3
N = n!, where n>2. Find the value of (log2N)^-1 + (log3N)^-1 + (log4N)^-1 +……..+ (lognN)^-1.

1) 0
2) 1
3) n
4) N