If the pattern is defined as adding 3, then subtracting 1 alternately starting from 1, what is the fifth term?

A. 7

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

C. 80

Identify the next term in the pattern: 1, 1, 2, 3, 5, 8, ?

B. 11

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

B. U

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

A. V