MBA Exam

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

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MBA Other Question
Plz provide solution ....

1) 1
2) 2
3) 3
4) 4
5) 5
 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