In a coding system, 'FISH' is coded as 23, 18, 15, 12. If 'BIRD' is coded as 10, 14, 12, 8, what is the code for 'WAVE'?

B. 24, 20, 22, 18

If 'CAT' is coded as '3120', what is the code for 'DOG'?

B. 4156

If '?' represents addition and '?' represents subtraction, what is the value of 5 ? 3 ? 2?

B. 8

If '+' represents addition, '-' represents subtraction, '×' represents multiplication, and '÷' represents division, what is the value of 8 ÷ 2 + 3 × 4 - 5?

A. 10

Which group of letters is the odd one out?

B. ACE