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Question: There are 13 players of cricket out of which 4 are bowlers. In how many ways a team of eleven be sel...

There are 13 players of cricket out of which 4 are bowlers. In how many ways a team of eleven be selected from them so as to include at least two bowlers?

A

72

B

78

C

42

D

None of these

Answer

78

Explanation

Solution

Team of eleven may be selected

(i) 2 bowlers + 9 others

(ii) 3 bowlers + 8 others

(iii) 4 bowlers + 7 others

= (4C2 × 9C9) + (4C3 × 9C8) + (4C4 × 9C7) ̃ 78