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 before T but after Q. What is the correct order of tasks?
A, B, C, D, and E are five friends who are planning to watch a movie. A wants to go before B but after C. D wants to go before E. What is the possible order of their outing?
In a competition of 40 participants, Sarah is ranked 12th from the top. If she swaps places with the person ranked 29th, what will be her new rank from the bottom?