Let S={1,2,3ddot,9}dotFork=1,2, 5,l e tN_kbe the number of subset | Filo

class 11

Math

Algebra

Permutations and Combinations

553
150

Let be the number of subsets of S, each containing five elements out of which exactly are odd. Then 210 (b) 252 (c) 125 (d) 126

553
150

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