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An arrangement in a definite order of objects taken some or all at a time is a:
APermutation
BPreparation
CPresentation
DPreservation
Answer & Solution
Correct answer: A. Permutation
1. The order matters here.
2. A selection without order is different.
3. It is a permutation.
_Source: NCERT Class 11 Mathematics, Chapter 7, Permutations and Combinations._
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