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

A. 231218

If 'APPLE' is coded as 195312, what is the code for 'GRAPE'?

A. 718165

In a coding system, 'COW' is represented as 357. How is 'HEN' represented?

A. 8514

If the word 'FISH' is coded as '9-18-19-8', what is the code for 'BIRD'?

A. 2-9-18-4

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

A. 4157