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JEE MATHEMATICS MCQ: PERMUTATIONS

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The number of ways in which 5 pictures can be hung from 7 picture nails on the wall is

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Correct option: C

2520

Option C (2520) is correct because the number of ways to hang 5 pictures from 7 nails is a permutation problem, calculated as

{7}{P_5} = \frac{{7!}}{{2!}} = 2520

.

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