MBA Exam

The probability of getting at least one head when an unbiased coin is tossed thrice is

1) 7/8
2) 1/2
3) 1/8
4) 1/4

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MBA Other Question

Let N be the product of five different odd prime numbers. If N is the five-digit number abcab, a<8, how many values of N are possible?

1) 1
2) 2
3) 3
4) 4
5) >4
If then how many integral value of (x, y) exists?

1) 8
2) 16
3) 12
4) 4
5) 20