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JEE MATHEMATICS MCQ: PERMUTATIONS

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The number of ways such that 6 persons can be selected from 4 officers and 8 constables, if at least one officer is to be included, is

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Correct option: A

896

Option D (

\frac{{3 \pi}}{{4}}

) is correct because it is the simplified value of the given expression using trigonometric identities.

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