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Q: Find the number of ways in which a group of 4 boys and 3 girls can be selected out of a total of 9 boys and 9 girls.
A. 10584 B. 31824
C. 21168 D. None of these

Answer and Explanation

Answer:10584

Explanation:
4 boys out of 9 can be selected in 9C4 ways = 126

3 girls out of 9 can be selected in 9C3 ways = 84

Required number of ways = 126*84 = 10584

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