In a code language, let '+' represent multiplication, '-' represent addition, '×' represent subtraction, and '÷' represent division. What is the result of 6 ÷ 2 + 3 × 4 - 5?

A. 10

If A × B = 20, A + B = 12, what is the value of A - B?

B. 4

If '>' means '+', '<' means '-', '=' means '×', and '?' means '÷', what is the result of 5 > 3 < 2 = 4?

C. 10

If A = 4, B = 6, and the operations are defined as A + B = A - B, A - B = A × B, what is the value of A × B?

A. 24

What is the 15th letter of the English alphabet?

A. O