In the series A, B, C, D, E, F, G, how many times does the letter 'C' appear?

A. 1

If the letter 'X' is the 24th letter of the alphabet, what is the letter that comes immediately before it?

A. W

How many letters are there between 'M' and 'R' in the English alphabet?

A. 4

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

A. XBNQ

In a certain code, 'FISH' is written as 'GJTI'. How would 'BIRD' be written in that code?

A. CJSF