Number Series
Number Series - Important Points
| 21. | Find the wrong term in the number series: 8, 13, 21, 32, 47, 63, 83 |
|---|
A. 13
B. 21
C. 32
D. 47
View Answer Discuss Work SpaceAnswer: option d
Explanation:
The correct pattern is + 5, + 8, + 11, + 14,.....
So, 47 is wrong and must be replaced by (32 + 14) i.e. 46.
| 22. | Find the wrong term in the number series: 3, 4, 10, 32, 136, 685, 4116 |
|---|
A. 10
B. 32
C. 685
D. 4116
View Answer Discuss Work SpaceAnswer: option b
Explanation:
The correct pattern is x 1 + 1, x 2 + 2, x 3 + 3, x 4 + 4,.....
So, 32 is wrong and must be replaced by (10 x 3 + 3) i.e. 33.
| 23. | Find the wrong term in the number series: 2, 5, 10, 17, 26, 37, 50, 64 |
|---|
A. 5
B. 17
C. 37
D. 64
View Answer Discuss Work SpaceAnswer: option d
Explanation:
The terms of the series are (1^2 + 1), (2^2 + 1), (3^2 + 1), (4^2 + 1), (5^2 + 1), (6^2 + 1), (7^2+1),.....
So, 64 is wrong and must be replaced by (8^2 + 1) i.e. 65.
| 24. | Find the wrong term in the number series: 1, 3, 12, 25, 48, 75, 108 |
|---|
A. 3
B. 12
C. 25
D. 75
View Answer Discuss Work SpaceAnswer: option c
Explanation:
The terms of the series are (1^2 - 0^2), (2^2 - 1^2), (4^2 - 2^2), (6^2 - 3^2) and (8^2 - 4^2).
So, 25 is wrong and must be replaced by (6^2 - 3^2) i.e. 27.
| 25. | Find the wrong term in the number series: 3, 10, 27, 4, 16, 64, 5, 25, 125 |
|---|
A. 25
B. 64
C. 10
D. 3
View Answer Discuss Work SpaceAnswer: option c
Explanation:
The correct sequence is 3, 3^2, 3^3, 4, 4^2, 4^3, 5, 5^2, 5^3.
So, 10 is wrong and must be replaced by 3^2 i.e. 9.
Number Series Questions and Answers FAQ
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