What is the 15th letter of the English alphabet?

A. O

What is the 7th letter of the English alphabet?

A. G

How many times does the letter 'E' appear in the series: A, B, C, E, E, D, E, F?

B. 3

What is the 10th letter of the English alphabet?

A. J

In the sequence A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, how many times does the letter 'T' occur?

A. 1