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A school team has (4) captain options (3) vice-captain options and (2) manager options. How many ways are there to fill one of each post?

Answer and explanation

Correct answer: 24

There are 4 choices for captain. For each such choice, there are 3 choices for vice-captain and 2 choices for manager. By the fundamental principle of counting, the total number of arrangements is \(4 \times 3 \times 2=24\). Adding the choices, \(4+3+2=9\), is incorrect because all three posts are being filled together. Exam tip: multiply the numbers of choices when successive selections are made.

Related tags

Fundamental Principle Of CountingPermutations And CombinationsClass 11 MathematicsCounting PrincipleMultiplication RuleMathematicsClass 11 Mcq

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