MBA Exam

The ratio of interior angles of two regular polygons is 2 : 3, and the ratio of
their numbers of sides is 1 : 2. The numbers of sides of these polygons are ...

1) 6 and 12
2) 5 and 10
3) 4 and 8
4) 4 and 16

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MBA Other Question

139 persons have signed for an elimination tournament.All players are to be paired for the first round but because 139 is an odd number ,one player gets a bye, which promotes him to to the second round,without playing in the first round.This continues in subsequent rounds as well.Find the minimum number of matches that must be played to determine the champion.

1) 136
2) 137
3) 138
4) 139
n= (63)^1!+2!+.....+63!+(18)^1!+2!+3!+.........+18!+(37)^1!+2!+3!.....+37!find the unit digit

1) 9
2) 6
3) 8
4) 7