Using the same coding system, what is the numerical code for the word 'DOG'?

A. 4-15-7

If the code for 'CAT' is 12, 15, 18 and the code for 'DOG' is 14, 16, 20, what is the code for 'BAT'?

A. 10, 12, 14

If in a certain code, 'CAT' is coded as 'DBU', how is 'DOG' coded in that code?

A. EPH

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

C. 231218

Complete the series: B, D, F, H, ?

D. I