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JEE MATHEMATICS MCQ: PERMUTATIONS

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Application +4 | -1

Value of

\frac{n !}{(n-r) !}

when

n=6, r=2

is

5{m}

. The value of

m

is

View answer and explanation

Correct option: A

6

Option A (6) is correct because when

n=6

and

r=2

,

\frac{n !}{(n-r) !}

equals 30, which is

5 \times 6

.

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