MBA Exam

The product of ten positive real numbers Pi where i = 1, 2, 3, â€¦â€¦ 10 is 1/100 . What is the minimum value of the expression

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

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MBA Other Question

Varun has to call his friend Amar, but he doesn't remember Amar's phone number. He has two options, first to try calling Amar directly and in case he doesn't get the number right he could try the second option of calling up Vineet, another friend of his who would in turn give cosmic_glitch's number of who finally give him Amar's number. Alternatively, Varun can try the second option first. Given Varun needs to minimize the total number of calls he has to make, what should be the minimum level of certainity that Varun should have regarding the number he already has so that it would be advisable for him to try the first option before the second?

Find the number of ways in which 4 boys and 3 girls sit around a circular table so that no two girls sit together.

1) 36
2) 72
3) 144
4) 576
5) 576