MBA Exam

What is the rightmost non-zero digit of 37! ?

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MBA Other Question

N is a set of all natural numbers less than 500 which can be written as sum of two or more consecutive integers.Find the maximum number of elements possible in N?

1) 250
2) 491
3) 490
4) 499
K(N) denotes no. of ways in which N can be expressed as a difference of two perfect squares. Which of the following is maximum?Please explain thoroughly..

1) k(110)
2) k(105)
3) k(216)
4) k(384)