1.
Look at this series: 2, 1, (1/2), (1/4), ... What number should come next ?
A. 
B. 
C. 
D. 
2.
Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?
A. 
B. 
C. 
D. 
3.
Look at this series: 31, 29, 24, 22, 17, ... What number should come next?
A. 
B. 
C. 
D. 
4.
Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?
A. 
B. 
C. 
D. 
5.
Look at this series: 201, 202, 204, 207, ... What number should come next?
A. 
B. 
C. 
D. 
6.
Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?
A. 
B. 
C. 
D. 
7.
Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?
A. 
B. 
C. 
D. 
8.
Look at this series: 1000, 200, 40, ... What number should come next?
A. 
B. 
C. 
D. 
9.
Look at this series: 80, 10, 70, 15, 60, ... What number should come next?
A. 
B. 
C. 
D. 
10.
Look at this series: 5.2, 4.8, 4.4, 4, ... What number should come next?
A. 
B. 
C. 
D.