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Which statement correctly defines a permutation?
AA selection where order is ignored
BAn arrangement in a definite order
CA repetition of one single object
DA grouping of unrelated numbers
Answer & Solution
Correct answer: B. An arrangement in a definite order
1. A permutation concerns how objects are placed, not merely which are taken.
2. The definition fixes the order as part of the arrangement.
3. So a permutation is an arrangement in a definite order of the objects.
_Source: NCERT Class 11 Mathematics, Ch 6 'Permutations and Combinations'_
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