A team of five is to be selected from amongst five boys A, B, C, D and E and four girls P, Q, R and S. Some criteria for selecation are : A and S have to be together. P cannot be put with R. D and Q cannot be together. C and E have to be together. R cannot be put with B. Unless otherwise stated, these criteria are applicable to all the question below :
If R be one of the members, the other members of the team are :
Answer: D. S A C E
If R is selected, P cannot be selected. So, P S A D is wrong: D and Q cannot go together. So, Q S A D is wrong. S and A have to be together, So, Q S C E is wrong.