P, Q, R, S and T are arranged by age from oldest to youngest. P is older than Q. R is younger than Q. S is older than P. T is younger than R. Who is the youngest?
Q1. P, Q, R, S and T are arranged by age from oldest to youngest. P is older than Q. R is younger than Q. S is older than P. T is younger than R. Who is the youngest?
Answer: T
Explanation: The age order is S, P, Q, R, T from oldest to youngest. T is last and therefore the youngest.