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Permutations And Combinations

Question

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Find r, if P (10, r + 1) : P(11, r) = 30 : 11

Solution

Solution not provided.
Ans. 5

Some More Questions From Permutations and Combinations Chapter

Determine K, so that K + 2, 4K – 6 and 3K – 2 are three consecutive terms of an A.P.

Mock Test Series

Mock Test Series

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