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Class 11MathematicsPermutations and CombinationsCombinationsExpert
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From (8) people, two different pairs are to be formed so that no person appears in both pairs. How many ways are possible?

Answer and explanation

Correct answer: (210)

First choose (4) people in (^{8}C_{4}) ways and split them into two pairs in (3) ways. Total (70\times3=210).

Related tags

PairingSelectionExpertCombinationsPermutations And CombinationsMathematicsClass 11 Mcq
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