MBA Exam

Let Q be the quotient obtained on dividing 31^29 by 41. Then Q is divisible by

1) 6
2) 15
3) 21
4) None of these

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MBA Other Question

For how many prime no.s is p^2+3p-1, a prime no.?

1) 1
2) 2
3) 3
4) 4
A cube of edge 4 cm as shown below is cut into two equal halves by cutting it diagonally along the edge AB towards the edge CD. Approximately by what percentage does its total surface area increase?

1) 50%
2) 47.13%
3) 60%
4) 10%