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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: C

41

Option C (41) is correct because it involves solving an equation derived from the ratio of two permutation formulas.

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