Question
A group consists of 10 boys and 6 girls. In how many ways
can 6 boys and 2 girls be selected from the group?Solution
Required number of ways = 10 C 6 × 6 C 2
= (10! / (6! × 4!)) × (6! / (2! × 4!))
= 210 × 15 = 3,150
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