What comes next in the series: Z, Y, X, W, ?

A. V

Which of the following does NOT belong to the group: 1, 4, 9, 16, 25?

D. 30

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

C. 32

Which letter completes the sequence: B, D, F, H, ?

A. J

Find the next term in the series: 1, 1, 2, 3, 5, ?

A. 7