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CAIE A Level Mathematics 9709 · Permutations and combinations

Permutations and combinations: calculation question

2 marksFoundation

A committee of 3 members is to be chosen from 9 candidates. The positions are distinct (chair, secretary, treasurer). Find the number of ways to fill the positions.

  1. (a)

    How many ordered arrangements (permutations) are there?

    [2]

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