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(6) speakers are to speak in order on a stage. Of two particular speakers, one must be in the first three positions and the other must be in the last three positions. How many speaking orders are possible?

Answer and explanation

Correct answer: (432)

There are (2) ways to decide which particular speaker goes in the first half, (3 \times 3) ways for their positions, and (4!) ways for the rest. Fix the sections and particular persons first.

Related tags

ArrangementsPositionsCountingFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq

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