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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

If

{\;^{56}}{P_{r + 6}}:{\;^{54}}{P_{r + 3}} = 30800\;:1,

then the value of

r

is

View answer and explanation

Correct option: B

41

Option B (41) is correct because substituting r = 41 into the given permutation equation satisfies the condition.

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