From the root 'SCRIBE', which of the following is a valid derivative?

B. SUBSCRIBE

If the letters are arranged in a certain order: Z, Y, X, W, ?, U, T, S, what comes next?

A. V

If the letter 'C' is the 3rd letter in the alphabet, what is the 15th letter?

A. O

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 'E' appear?

A. 1

If ? represents addition, ? represents subtraction, ? represents multiplication, and ? represents division, what is the value of 8 ? 4 ? 2 ? 3 ? 2?

D. 12