In a group of 13 cricket players, 4 are bowlers. Then in how many ways can they form a cricket team of 11 players in which at least 2 bowlers are included?

The number of ways can be given as follows:2 bowlers and 9 other players:  4C2×9C93 bowlers and 8 other players  4C3×9C84 bowlers and 7 other players:  4C4×9C7Hence, required number of ways is 6×1+4×9+1×36=78.