In a family of five members A, B, C, D, and E, A is the father of B. C is the mother of B. D is the brother of B. E is the sister of A. How is D related to C?
Five friends P, Q, R, S, and T are sitting in a row. P is to the left of Q but to the right of R. S is to the right of T. Who is sitting in the middle?
In a family of six members A, B, C, D, E, and F, A is a doctor, B is a teacher, C is a lawyer, D is A's sister, E is B's brother, and F is C's mother. Who is the father?
In a family, there are four members: John, Mary, Sam, and Lisa. John is a father, Mary is a mother, Sam is a son, and Lisa is a daughter. Which of the following pairs can be classified as parents?
Four fruits are arranged in a basket: an apple, a banana, an orange, and a grape. The apple is heavier than the grape but lighter than the orange. The banana is the heaviest. Which fruit is the lightest?