If '?' represents division, '?' represents multiplication, and '?' represents addition, what is the result of 12 ? 3 ? 4 ? 2?

C. 14

If '?' represents division and '?' represents addition, what is the result of 20 ? 4 ? 6?

C. 8

If '?' represents multiplication, '?' represents subtraction, '?' represents addition, and '?' represents division, what is the value of 4 ? 3 ? 6 ? 2?

C. 24

If '?' represents subtraction and '?' represents addition, what is the value of 10 ? 2 ? 3?

A. 11

If '?' represents addition, '?' represents subtraction, '×' represents multiplication, and '÷' represents division, which of the following is correct? 6 ? 2 × 3 ? 4?

A. 10