In a mixed number coding system, if 'HELLO' is coded as 23, 18, 15, 14, 12 and 'WORLD' is coded as 25, 22, 19, 18, 16, what is the code for 'GOOD'?

A. 20, 18, 16, 14

If the number 579 is coded as 'EHG', what is the code for the number 864?

A. HGF

In a specific coding system, 'FISH' is coded as 'GJTI'. What is the code for 'BIRD'?

A. CJSF

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

A. 2918

If the word 'HELLO' is coded as '851212', what is the code for 'WORLD'?

A. 231218