NCERT Class XI Mathematics - Permutations and Combinations - Solutions

Question : 25

Total: 41

In how many ways can a team of 3 boys and 3 girls be selected from 5 boys and 4 girls?

Solution:

3 boys can be selected from 5 boys in

‌

C3 ways & 3 girls can be selected from 4 girls in

‌

C3 ways.
∴ Required number of ways of team selection
=

‌

C3 ×

‌

C3 =

2!3!

3!1!

5×4

× 4 = 40

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