Number Series
Number Series - Important Points
| 1. | In the series: 4, 7, 12, 19, 28, ... What number should come next? |
|---|
A. 49
B. 36
C. 30
D. 39
View Answer Discuss Work SpaceAnswer: option d
Explanation:
First term : 4
Second term: 4 + 3 = 7
Third term : 7 + 5 = 12
Fourth term : 12 + 7 = 19.
Fifth term : 19 + 9 = 28.
Therefore,
Next Terms : 28 + 11 = 39
| 2. | In the series: 8, 28, 116, 584,... What number should come next? |
|---|
A. 3502
B. 3504
C. 3506
D. 3508
View Answer Discuss Work SpaceAnswer: option d
Explanation:
(8 *3) + 4 = 28
(28 *4) + 4 = 116
(116 *5) + 4 = 584
(584 *6) + 4 = 3508
| 3. | In the series: 8, 28, 116, 584,... What number should come next? |
|---|
A. 3502
B. 3504
C. 3506
D. 3508
View Answer Discuss Work SpaceAnswer: option d
Explanation:
(8 *3) + 4 = 28
(28 *4) + 4 = 116
(116 *5) + 4 = 584
(584 *6) + 4 = 3508
| 4. | In the series: 3, 7, 23, 95,... What number should come next? |
|---|
A. 68
B. 256
C. 479
D. 497
View Answer Discuss Work SpaceAnswer: option c
Explanation:
1st number = 3
2nd number = 3 x 2 + 1 = 7
3rd number = 7 x 3 + 2 = 23
4th number = 23 x 4 + 3 = 95
5th number = 95 x 5 + 4 = 479
| 5. | In the series: 1, 1, 4, 9, 27, 16,... What number should come next? |
|---|
A. 32
B. 64
C. 128
D. 81
View Answer Discuss Work SpaceAnswer: option b
Explanation:
The series consists of squares and cubes of consecutive natural numbers i.e. 12, 13, 22, 23, 32, 33, 42, .....
So, missing term = 4^3 = 64.
Number Series Questions and Answers FAQ
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