If A=1, B=2, C=3, and so on, what is the code for the word 'CAT'?

A. 312

In a coding system where A=2, B=4, C=6, and so forth, what is the coded value for 'DOG'?

A. 814

If the letters of the alphabet are coded as A=1, B=2, ..., Z=26, what is the code for 'HELLO'?

A. 851212

In a certain code, the word 'DOG' is coded as '47'. If 'D' is 4, 'O' is 15, and 'G' is 7, what is the code for 'FISH'?

A. 39

If the word 'HELLO' is coded as '85121215', what is the code for 'WORLD'?

C. 23181512