Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationnPr & nCrMedium2 minQB

MathematicsMediumsingle choice

Number of ways of selecting 6 shoes, out of 8 pairs of shoes, having exactly two pairs is

Answer:

Solution:

Required number of ways $=^{8} C_{2} \times^{6} C_{2} \times 2^{2} = 1680$ .

Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:nPr & nCr

⏱ 2mℹ️ Source: QB

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