Question
Mathematics Question on Permutations and Combinations
A cricket team of 11 players is to be formed from a pool of 16 players that includes 4 bowlers and 2 wicket-keepers. In how many different ways can a team be formed so that the team has at least 3 bowlers and wicket keeper?
A
2472
B
2274
C
2427
D
1236
Answer
2472
Explanation
Solution
Number of different ways so that the team has at least 3 bowlers and wicket keeper,
4C32C110C7+4C42C110C6+4C32C210C6+4C42C210C5
= 4 x 2 x 120 + 1 x 2 x 210 + 4 x 1 x 210 + 1 x 1 x 252
= 960 + 420 + 840 + 252
= 2472
Hence, option A is the correct answer.The correct option is (A): 2472