Question

Find the number of ways of selecting 4 boys and 3 girls from a group of 8 boys & 5 girls​

Answer 1

The way is that ,

• Total Boys → 8 and Selecting boys → 4 because 4 Is the half of 8.
• Total girls → 5 and Selecting girls → 3 because 2.5 is the half of 5 but we could not divided 2.5 so we take 3.

Answer 2

Answer:

We can select 4 boys from 8 boys in

8

C

4

=70 ways

We can select 3 girls from 5 girls in

5

C

3

=10 ways

Both can be selected simultaneously in 70×10=700 ways