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Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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From (9) players, a captain, a vice-captain, and a wicketkeeper are to be selected. (2) special players cannot be wicketkeeper and no player can hold two positions. How many selections are possible?

Answer and explanation

Correct answer: (7 \times 8 \times 9=504)

Choose the wicketkeeper first with (7) choices, then captain and vice-captain have (8) and (7) choices. Fill the most restricted post first.

Related tags

CountingPlayersPostsFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
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