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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

If

{\;^{12}}{P_r} = {\;^{11}}{P_6} + 6.{\;^{11}}{P_5}

then

r

is equal to

View answer and explanation

Correct option: A

6

Option A (6) is correct because by using the given relation and simplifying, we find that r = 6.

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