Subject
Quantitative Aptitude
Topic
Permutation & Combination
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
ক)
63খ)
90গ)
126ঘ)
45Explanation
Required number of ways = (7C5 x 3C2) = (7C2 x 3C1) = {(7 x 6)/( 2 x 1)} x 3 = 63.Related questions
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