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. Task R must be done before T. What is the correct sequence of tasks?
Five friends P, Q, R, S, and T are sitting in a circle. Q is to the immediate left of R, and S is to the immediate right of P. T is not next to R. Who is sitting directly opposite P?
In a cooking competition, five chefs are ranked based on their dishes: Chef A is ranked higher than Chef B but lower than Chef C. Chef D is ranked lower than Chef A but higher than Chef E. What is the correct ranking from highest to lowest?