In the sequence 5, 10, 20, 40, what is the next number?

C. 80

What comes next in the pattern: A, B, D, F, H?

D. I

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 'A' appear?

A. 1

In a certain code, 'FISH' is written as 'GJTI'. How would 'BIRD' be written in that code?

A. CJSF

How many times does the letter 'E' appear in the series 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?

A. 1