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

B. 3

If the letter 'X' is the 24th letter of the alphabet, what is the letter that comes 3 places before it?

A. U

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

B. 4

Which letter is positioned 15 places after 'A' in the alphabet?

B. P

What is the 21st letter of the English alphabet?

A. U