MBA Exam

The largest integer n such that 3^n divides 101! is.....

1) 37
2) 47
3) 46
4) 48

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MBA Other Question

How many ordered pair are there such that (a+b) is a perfect square ?(a,b)is an ordered pair such that a, b are two two digit numbers. when a interchange it's digit becomes b?Question: How many ordered pair are there such that (a-b) is a perfect square except zero ?

1) 3
3
2) 10
10
3) 13
4) none of these
If the equation (x2 - 2ax -4(a2 + 1))(x2 - 4x -2a(a2 + 1)) = 0 has exactly 3 different roots, then how many values can "a" take?

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