Mathematics - Permutation Combination Question with Solution | TestHub

MathematicsPermutation CombinationCircular PermutationEasy2 minPYQ_2013

MathematicsEasysingle choice

In how many ways can 5 boys and 5 girls be seated at a round table so that no two girls may be together?

Options:

Answer:

Solution:

Leaving one seat vacant between two boys, 5 boys may be seated in $4!$ ways. Then at remaining 5 seats, 5 girls any sit in $5!$ ways. Hence the required number $= 4! \times 5!$

Stream:BITSATSubject:MathematicsTopic:Permutation CombinationSubtopic:Circular Permutation

⏱ 2mℹ️ Source: PYQ_2013

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