1.  Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
A. (1/3)
B. (1/8)
C. (2/8)
D. (1/16)

2.  Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
A. 7
B. 10
C. 12
D. 13

3.  Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
A. 20
B. 22
C. 23
D. 26

4.  Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
A. 22
B. 24
C. 25
D. 26

5.  Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?
A. 12
B. 14
C. 27
D. 53