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

A. 23

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

A. 1

If the letter 'Z' is the 26th letter, what is the 5th letter before 'Z'?

A. U

What is the 10th letter of the English alphabet?

A. J

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

B. 4