In a family, there are four members: A, B, C, and D. A is the father of B and C. B is the daughter of A and D is the son of C. What is the relationship of D to A?

A. GRANDSON

If '?' represents addition, '?' represents subtraction, and '?' represents multiplication, what is the result of 5 ? 3 ? 2 ? 4?

B. 9

If '?' denotes division, '?' denotes multiplication, and '?' denotes subtraction, what is the value of 12 ? 3 ? 2 ? 4?

C. 4

If '?' means 'less than', '?' means 'greater than', and '?' means 'equal to', which of the following statements is correct? 10 ? 12 ? 8 ? 8.

A. TRUE

If '?' represents multiplication, '?' represents addition, and '?' represents subtraction, what is the result of 6 ? 2 ? 3 ? 1?

B. 14