In the series A, B, C, D, E, F, G, how many letters come before E?

B. 4

What is the 15th letter of the English alphabet?

A. O

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

A. 1

What is the 10th letter of the English alphabet?

A. J

What is the 7th letter of the English alphabet?

A. G