Question

Can a A Committee Consists of 6 boys and 4 girls. In how many ways Sub-Committee Consisting of 3 boys and 2 girls be formed if one particular one particular girl and one particular boy must be on the sub-Committee.
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Answer 1

Answer:

From 10 boys you have to select 3 boys, which could be done in 10C3 ways.

Form 12 girls you’ve to select 4 girls, which could be done in 12C4 ways.

Since you’re to select 3 boys and 4 girls, you can do this in 10C3 x 12C4 ways!