Question
A group consists of 10 boys and 10 girls. In how many
ways can 6 boys and 4 girls be selected from the group?Solution
Required number of ways = 10 C 6 × 10 C 4
= (10! / (6! × 4!)) × (10! / (4! × 6!))
= 210 × 210 = 44,100
If B is a male, then which among the following option(s) is/are definitely true?
How is W related to U?
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