In a mixed letter coding system, if 'CAT' is coded as '312' and 'DOG' is coded as '415', what is the code for 'C' in the word 'CAT'?

A. 3

If 'APPLE' is coded as '12345' and 'LEMON' is coded as '67890', what is the code for 'MELON'?

C. 67896

In a code language, 'FISH' is coded as '2468' and 'HAT' is coded as '135'. What is the code for 'HIS'?

A. 246

If 'SUN' is coded as '789' and 'MOON' is coded as '4567', what is the code for 'NOM'?

C. 456

If 'APPLE' is coded as '12345' and 'BANANA' is coded as '678901', what is the code for 'LEMON'?

B. 34567