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

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

A. 1

If the position of the letter 'X' is 24, what is the position of the letter 'T'?

A. 20

If the letter 'M' is the 13th letter, what is the 15th letter of the alphabet?

B. O