MBA Exam

Let n be positive integer and g(n) denotes the gcd of n2 + 11 and (n+1)2 + 11, then max(g(n)) is

1) 15
2) 45
3) 75
4) 105

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MBA Other Question

Let Sm denote the sum of the squares of first m natural numbers. For How many values of m<100,is Sm a multiple of 4?

1) 50
2) 25
3) 36
4) 24
Q. Last three digits of 777^777 ?

1) 207
2) 697
3) None of these