In such type of questions, a few essential criteria for selection of a group of items are given. The candidate has to keep these conditions in mind and make the required selection as per the directions given in each question.
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 one male advocate, on male doctor, one lady doctor and two teachers, the members of the term are :
The male advocates are A and B; male doctors are C and D; lady doctors are P, Q and S; teachers are E, T and U.
If A is selectes, P and U will be selected, D and P cannot go together. So, a male doctor C will be selected. C and T have to be together. Thus, the team is A C P T U. If B is selected , D will not be selected. So, male doctor C will be chosen. C and T have to be together. Now, the second teacher to be selecteis E and U. But U cannot go without A. So, wil be selected. E and Q have to be together. Thus, the team can also be B C E Q T.