Five tasks P, Q, R, S, and T need to be completed. Task P must be done before Q and R. Task S must be done after R but before T. What is the correct sequence of tasks?
A series of events occurred in the following order: Event A happened before Event B, Event C happened after Event A but before Event D, and Event E happened after Event B. What is the correct sequence of events?
A family consists of a father, a mother, and two children. The father is a banker, the mother is a nurse, and one child is a musician. If the other child is not involved in any profession, what is the relationship of the non-working child to the parents?
In a family, there are three siblings: Tom, Jerry, and Anna. Tom is older than Jerry but younger than Anna. If Anna is 10 years old, how old is Jerry at most?