MCQ
Five people P, Q, R, S, T sit in a row. P sits at the left end. Q sits next to P. R does not sit next to Q. S sits between R and T. T does not sit next to Q. Who sits in the middle?
Explanation
P is at the left end, Q next to P. R is not next to Q. S is between R and T. T is not next to Q. Arrangement: P, Q, T, S, R or P, Q, S, R, T. In the valid arrangement, R is in the middle (position 3).