In the series A, B, C, D, E, F, G, H, I, J, how many times does the letter 'E' occur?

A. 1

In the sequence A, B, C, D, E, F, G, what is the 3rd letter?

A. C

If the 15th letter of the alphabet is replaced by 'X', what is the new letter at the 15th position?

B. X

How many letters are there between 'G' and 'N' in the alphabet?

B. 6

What is the 7th letter of the English alphabet?

A. G