Multiple choice

Aman has seven friends - four boys and three girls. In how many ways can Aman invite her friends, so that there are exactly three boys in the invitees?

  1. 32

  2. 24

  3. 4

  4. 48

  5. 36
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Out of four boys, Aman has to invite exactly three boys. This can be done in 4C3 ways.

Out of three girls, she can invite one or two or three girls or none of them in 23 i.e 8 ways.

So, total number of ways are 4C3 * 8 = 32 ways. It is the correct answer.

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