Question

There are 8 person including a married couple Mr and Mrs Sharma from whom a committee of 4 has to be chosen.In how way can the committee be chosen:(1)If both Mr and Mrs Sharma are excluded,(2)If Mrs Sharma included but Mr Sharma excluded,(3)If both Mr and Mrs Sharma are included.​

Answer 1

Explanation:

1.) 6C4= 15

2.) (1C1)*(6C3)= 20

3.) (2C2)*(6C2)= 15