In the series B, D, F, H, J, which letter comes next?

A. K

In the series 2, 4, 8, 16, what is the next number?

C. 32

If the sequence is A, C, E, G, what letter comes next?

A. H

If 'A' is coded as 1, 'B' as 2, 'C' as 3, and so on, what is the code for the word 'BAD'?

A. 214

If 'A' is to 'Z', 'B' is to 'Y', and 'C' is to 'X', what is 'D' to?

A. W