Bunuel wrote:
A committee of three students has to be formed. There are five candidates: Jane, Joan, Paul, Stuart, and Jessica. If Paul and Stuart refuse to be in the committee together and Jane refuses to be in the committee without Paul, how many committees are possible?
A. 3
B. 4
C. 5
D. 6
E.8
total ways to make committee 5c3 ; 10
case 1 :
If Paul and Stuart refuse to be in the committee together
let them both be part of committee so 1 space left which can be choosen in 1*1 *3 ; 3 ways
10-3 ; 7 ways
later
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