MBA Exam

11( upto 5 digits) is written in base n .. For how many values of n is this number a perfect square ?

1) 2
2) 0
3) 1
4) more than 2

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MBA Other Question

A and B playing a game.There are 50 coins on the table and They can pick max 7 and min 1 coin at a time..one who picks the last coin will be the loser.How many coins should A pick in order to ensure a win.?

1) 1
2) 2
3) 3
4) 4
There are 2 inlet taps of diameter 1 cm and 3 cm and an outlet tap of diameter 2 cm. The rate of flow of water is directly proportional to the square of the diameter. It would take 11 minutes for the pipe of diameter 2 cm to fill an empty tank. Find the time taken to fill an empty tank when all the taps are opened.

1) 7 minutes
2) 7.33 minutes
3) 7.66 minutes
4) 8 minutes