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