In a family of five members - P, Q, R, S, and T - there are two males and three females. P is a teacher, Q is a doctor, and R is a male. S is not a teacher. Who is the doctor?
If '>' represents greater than, '<' represents less than, '=' represents equal to, and '?' represents not equal to, which of the following statements is true? 5 < 8 and 8 > 3.
Five students, P, Q, R, S, and T, submitted their projects in the following order: R submitted before P, S submitted before T, and Q submitted after P. What is the correct order of submissions?