In a family of six members A, B, C, D, E, and F, A is the father of B. C is the mother of B. D is the sister of B. E is the brother of B. F is the grandfather of B. How is D related to F?
In a family of six members A, B, C, D, E, and F, there are two married couples. A is a teacher, B is a doctor, C is D's sister, E is a lawyer, and F is D's brother. Who is the lawyer?
In a family of four members: P, Q, R, and S, each has a different favorite color: Red, Blue, Green, and Yellow. P does not like Blue or Green. Q likes Red. R does not like Yellow. What color does S like?
Five people - X, Y, Z, W, and V - are sitting in a row. X is to the left of Y. Z is to the right of W. V is not at either end. Who is sitting in the middle?