MBA Exam

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

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MBA Other Question

Two kinds of wines are mixed in the ratio 2:1 and 1:2 . The two mixtures are sold at a profit 20%and 10% respectively. If the wines are mixed in the ratio 1:1 and the individual profit percent on them are increased by 5/3 and 4/3 times respectively, then the mixture will fetch the profit

1) 24%
2) 22%
3) 20%
4) 18%
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