In a mixed letter coding system, if 'CAT' is coded as 'DHW', what is the code for 'DOG'?

C. FQJ

In a mixed letter code, 'HOUSE' is coded as 'IVTGF'. What is the code for 'MOUSE'?

C. NVTGF

In a coding scheme, 'FISH' is coded as '6789' and 'BIRD' is coded as '1234'. What is the code for 'RIB'?

B. 241

If 'APPLE' is coded as '13579' and 'PEAR' is coded as '2468', what is the code for 'EAR'?

A. 246

In a mixed letter coding system, if 'SUN' is coded as '789' and 'MOON' is coded as '4567', what is the code for 'NUS'?

A. 987