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Subjects
Class 11MathematicsPermutations and CombinationsCombinationsHard
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From (13) distinct cards (5) cards are to be selected containing exactly one of two fixed cards. How many ways are there?

Answer and explanation

Correct answer: (660)

Choose (1) of the two fixed cards and (4) cards from the remaining (11). The ways are (\binom{2}{1}\binom{11}{4}=660).

Related tags

CombinationsClass11HardPermutations And CombinationsMathematicsClass 11 Mcq
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