There are five men A, B, C, D and E and six women P, Q, R, S, T and U, A, B and R advocates; C, D, P, Q and S are doctors and the rest are teachers. Some terms are to be selected from amongst these eleven persons subject to the following condition : A, P and U have to be together. B cannot go with D or R. E and Q have to be together. C and T have to be together. D and P cannot go together. C cannot go with Q.
If the term is to consists of two advocates, two doctors, two teachers and not more than three ladies, the members of the team are :
Answer: A. A B C P T U
A C P R T U and A E P Q R T are wrong because each of these combination consists of four ladies. B C E Q R T is incorrect because B and R cannot go together.