If 'RAT' is coded as '987' and 'BAT' is coded as '654', what is the code for 'TAB'?

C. 654

In a code language, 'FISH' is coded as '2468' and 'BIRD' is coded as '1357'. What is the code for 'HIS'?

A. 468

If ? represents addition, ? represents subtraction, ? represents multiplication, and ? represents division, what is the value of 8 ? 4 ? 2 ? 3 ? 2?

C. 12

Given that ? = ×, ? = ÷, ? = +, and ? = -, evaluate the expression 6 ? 4 ? 2 ? 3 ? 1.

B. 20

If ? means ÷, ? means +, ? means -, and ? means ×, what is the result of 12 ? 4 ? 2 ? 3 ? 1?

A. 8