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

A. W

What is the 7th letter of the English alphabet?

A. G

In the series A, B, C, D, E, F, G, how many letters are vowels?

B. 3

What is the 5th letter in the English alphabet?

B. E

In the series X, Y, Z, A, B, C, how many letters are there before 'C'?

A. 4