easy logical series questions for NTSE MAT etc with logic

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easy logical series questions for NTSE MAT etc with logic explained

1. Look at this series: 2, 4, 6, 8, 10, . . . What number
should come next?
a. 11
b. 12
c. 13
d. 14
2. Look at this series: 58, 52, 46, 40, 34, . . . What
number should come next?
a. 26
b. 28
c. 30
d. 32
3. Look at this series: 40, 40, 47, 47, 54, . . . What
number should come next?
a. 40
b. 44
c. 54
d. 61
4. Look at this series: 544, 509, 474, 439, . . . What
number should come next?
a. 404
b. 414
c. 420
d. 445
5. Look at this series: 201, 202, 204, 207, . . . What
number should come next?
a. 205
b. 208
c. 210
d. 211
6. Look at this series: 8, 22, 8, 28, 8, . . . What
number should come next?
a. 9
b. 29
c. 32
d. 34
7. Look at this series: 80, 10, 70, 15, 60, . . . What
number should come next?
a. 20
b. 25
c. 30
d. 50
8. Look at this series: 36, 34, 30, 28, 24, . . . What
number should come next?
a. 20
b. 22
c. 23
d. 26
9. Look at this series: 22, 21, 23, 22, 24, 23, . . .
What number should come next?
a. 22
b. 24
c. 25
d. 26
10. Look at this series: 3, 4, 7, 8, 11, 12, . . . What
number should come next?
a. 7
b. 10
c. 14
d. 15

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11. Look at this series: 31, 29, 24, 22, 17, . . . What
number should come next?
a. 15
b. 14
c. 13
d. 12
12. Look at this series: 21, 9, 21, 11, 21, 13, . . .
What number should come next?
a. 14
b. 15
c. 21
d. 23
13. Look at this series: 53, 53, 40, 40, 27, 27, . . .
What number should come next?
a. 12
b. 14
c. 27
d. 53
14. Look at this series: 2, 6, 18, 54, . . . What number
should come next?
a. 108
b. 148
c. 162
d. 216
15. Look at this series: 1,000, 200, 40, . . . What
number should come next?
a. 8
b. 10
c. 15
d. 20
16. Look at this series: 7, 10, 8, 11, 9, 12, . . . What
number should come next?
a. 7
b. 10
c. 12
d. 13
17. Look at this series: 14, 28, 20, 40, 32, 64, . . .
What number should come next?
a. 52
b. 56
c. 96
d. 128
18. Look at this series: 1.5, 2.3, 3.1, 3.9, . . . What
number should come next?
a. 4.2
b. 4.4
c. 4.7
d. 5.1
19. Look at this series: 5.2, 4.8, 4.4, 4, . . . What
number should come next?
a. 3
b. 3.3
c. 3.5
d. 3.6

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Answers & logical explanation for above questions

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good one

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Thanks for these question.I got some right with the help of options. Keep sharing .good thing for the practice.