Logical Reasoning - Number Series Question Answer
In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much.
1. Look at this series: 80, 10, 70, 15, 60, ... What number should come next?
a) 20
b) 25
c) 30
d) 50
2. Look at this series: 80, 10, 70, 15, 60, ... What number should come next?
a) 3
b) 3.3
c) 3.5
d) 3.6
3. Look at this series: 8, 6, 9, 23, 87 , ... What number should come next?
a) 128
b) 126
c) 324
d) 429
4. Look at this series: 201, 202, 204, 207, ... What number should come next?
a) 205
b) 208
c) 210
d) 211
5. Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?
a) 52
b) 56
c) 96
d) 128
6. Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
a) 7
b) 10
c) 12
d) 13
7. Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
a) 22
b) 24
c) 25
d) 26
8. Look at this series: 58, 52, 46, 40, 34, ... What number should come next?
a) 26
b) 28
c) 30
d) 32
9. Look at this series: 31, 29, 24, 22, 17, ... What number should come next?
a) 15
b) 14
c) 13
d) 12
10. Look at this series: 544, 509, 474, 439, ... What number should come next?
a) 404
b) 414
c) 420
d) 445
Answers ::
1) a
2) d
3) d
4) d
5) b
6) b
7) c
8) b
9) a
10) a
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