Question

Directions:- Study the following information carefully to answer the question given below.

P, Q, R, S, T, V, W and Z are eight friends studying in three different engineering colleges - A, B and C in three disciplines Mechanical, Electrical and Electronics with not less than two and not more than three in any college. Not more than three of them study in any of the three disciplines. W studies Electrical in college B with only T who studies Mechanical. P and Z do not study in college C and study in same discipline but not Electrical. R studies Mechanical in college C with V who studies Electrical. S studies Mechanical and does not study in the same college where R studies. Q does not study Electronics.

In which of the colleges at least one student studies in Mechanical discipline?

• A. Only A
• B. Only B
• C. Only C
• D. Both A and B
• E. All A, B and C

Answer 1

The correct option is E All A, B and C

$\begin{array}{ccc}Person& College& Discipline\\ P& A& Electronics\\ Q& B& Electrical\\ R& C& Mechanical\\ S& A& Mechanical\\ T& B& Mechanical\\ V& C& Electrical\\ W& B& Electrical\\ Z& A& Electronics\end{array}$

All A, B and C.