Permutations And Combinations


(a) In how many ways can 6 white beads and 5 red beads be arranged in a line on a table?

(b) In how many ways can 6 white and 5 red beads form a necklace?


Solution not provided.
Ans. (a) 462   (b) 21

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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.