In a race, five runners A, B, C, D, and E finish in the following order: A finishes before B but after C. D finishes before E but after A. What is the sequence of the runners from first to last?
In a family of five members A, B, C, D, and E, A is the father of B. C is the mother of B and D is the sister of B. E is the grandfather of B. How is D related to E?
In a puzzle involving four colors: Red, Blue, Green, and Yellow, the following rules apply: 1) Red cannot be next to Blue. 2) Green must be next to Yellow. Which of the following color arrangements is valid?
In a family of five members - P, Q, R, S, and T - each has a different favorite color: Red, Blue, Green, Yellow, and Black. P's favorite color is not Blue or Green. Q likes Yellow. R does not like Red. Who likes Blue?