In the sequence 2, 4, 8, 16, 32, 64, how many times does the number 16 occur?

A. 1

In a family of five members A, B, C, D, and E, A is a doctor and is married to B. C is the sister of A and is a teacher. D is the father of E and is a lawyer. Who is the mother of E?

B. B

A family consists of a father, a mother, and two children. The father is a banker, the mother is a nurse, and the son is a student. What is the profession of the daughter if it is known that she is not a student?

C. UNKNOWN

In a group of five friends: A, B, C, D, and E, the following conditions apply: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?

C. C

There are four boxes: Box 1 contains apples, Box 2 contains oranges, Box 3 contains both apples and oranges, and Box 4 is empty. If a box is selected at random, which box is least likely to contain fruit?

D. BOX 4