In a certain code, 'FISH' is coded as 6148. What is the code for 'BIRD'?

A. 2918

In a certain code, 'HELLO' is written as '8-5-12-12-15'. How is 'WORLD' coded in the same system?

A. 23-15-18-12-4

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

A. 4157