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(5) boys and (4) girls are to be seated in (9) positions in a row. Girls can sit only in odd-numbered positions. How many arrangements are possible?

Answer and explanation

Correct answer: (14400)

First arrange (4) girls in (5) odd positions, then arrange the boys in the remaining (5) positions. Apply position restrictions first.

Related tags

SeatingPosition-RestrictionCountingFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq

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