A committee of six is to be formed by a state governor fr...
A committee of six is to be formed by a state governor from nine state commissioners and three members of the state house of assembly. In how many ways can the members of the committee be chosen so as to include one member of the house of assembly
378 ways
462 ways
840 ways
924 ways
Correct answer is A
3C1×9C5=3!(3−1)!1!×9!(9−5)!5!=3!2!1!×9!4!5!=3×2!2!×1×9×8×7×6×5!4×3×2×1×5!=3×9×2×7=378ways
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