Permutations and Combinations · Class 11 · CBSE · Science Mathematics
From 8 students, a captain and a vice-captain are to be chosen for a team. Explain whether this is a permutation or a combination and find the number…
Practice question from Permutations and Combinations (Class 11 · CBSE · Science Mathematics), with the correct answer and a step-by-step solution.
medium · Subjective · Q-3BE30E
From 8 students, a captain and a vice-captain are to be chosen for a team. Explain whether this is a permutation or a combination and find the number of possible selections.
Solution
A captain and a vice-captain have distinct roles, so choosing A as captain and B as vice-captain differs from choosing B as captain and A as vice-captain. Therefore, use permutations: .
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