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A committee of at least three members is to be formed from a group of 6 boys and 6 girls such that it always has a boy and a girl, The number of ways to form such a committee is
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a
211−26−13
b
212−27−35
c
211−27−35
d
212−27−13
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Correct option is B
Solution: Required number of ways= 6C1+6C2+⋯.......+6C6 6C1+6C2+⋯.........+ 6C6− 6C1 6C1 =26−126−1−36=212−27−35Similar Questions
is equal to
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