In the series 2, 4, 8, 16, what is the next number?

C. 32

If the word 'COLD' is coded as 'DPME', how is 'WARM' coded in the same way?

A. XBNQ

If the word 'COLD' is coded as 'DPME', how would you code the word 'WARM'?

A. XBSN

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

A. HSBQF

In a certain code, if 'CAT' is coded as '3120', 'DOG' is coded as '4157', what is the code for 'FISH'?

A. 6148