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

B. 10

In a problem, '?' represents addition, '?' represents subtraction, '?' represents multiplication, and '?' represents division. What is the value of 15 ? 3 ? 2 ? 4 ? 1?

B. 13

If '>' represents greater than, '<' represents less than, '=' represents equal to, and '?' represents not equal to, which of the following statements is true: 5 < 3 > 2?

B. FALSE

In a certain code, '+' means 'multiply', '-' means 'add', '×' means 'subtract', and '÷' means 'divide'. What is the result of 10 + 5 - 2 × 3 ÷ 2?

C. 20

Using the symbols where '+' is multiplication, '-' is division, '×' is addition, and '÷' is subtraction, what is the value of 6 ÷ 3 + 2 × 4 - 1?

C. 16