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NDA2018MathematicsPermutation and CombinationActual

There are 17 cricket players, out of which 5 players can bowl. In how many ways can a team of 11 players be selected so as to include 3 bowlers?

Options

  1. AC (17,11)
  2. BC (12,8)
  3. CC (17,5) (5,3)
  4. DC (5,3) C (12,8)

Correct answer

D. C (5,3) C (12,8)

Step-by-step solution

3 bowlers are selected among 5 bowlers in ^5 C ₃ ways. Remaining 8 player's are selected from 12 player's in ¹² C ₈ ways. total number of ways = ¹² C ₈ ^5 C ₃ .

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