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 winner.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
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
 If x, y, z are any real numbers then the minimum possible value of x2 + 2y2 + z2 + 2yz subject of x + 2y + z = –6 is

1) -6
2) 6
3) 12
4) None of these