Number series for Air Force

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20 Number Series Questions:

1.2, 4, 6, 8, ?

A. 10

B. 12

C. 14

D. 16

2.1, 4, 9, 16, ?

A. 25

B. 32

C. 36

D. 40

3.5, 10, 15, 20, ?

A. 25

B. 30

C. 35

D. 40

4.1, 3, 6, 10, ?

A. 12

B. 13

C. 14

D. 15

5.2, 5, 10, 17, ?

A. 26

B. 27

C. 28

D. 29

6.0, 4, 8, 12, ?

A. 16

B. 18

C. 20

D. 24

7.3, 6, 9, 12, ?

A. 15

B. 18

C. 20

D. 21

8.1, 3, 7, 13, ?

A. 20

B. 21

C. 22

D. 23

9.2, 5, 3, 6, 4, ?

A. 5

B. 6

C. 7

D. 8

10.2, 5, 11, 23, ?

A. 46

B. 47

C. 48

D. 49

11.5, 7, 10, 14, ?

A. 18

B. 19

C. 20

D. 21

12.10, 20, 30, 40, ?

A. 50

B. 55

C. 60

D. 65

13.6, 12, 24, 48, ?

A. 96

B. 98

C. 100

D. 102

14.15, 10, 6, 3, ?

A. 1

B. 1.5

C. 2

D. 2.5

15.4, 12, 36, 108, ?

A. 216

B. 324

C. 432

D. 540

16.7, 11, 13, 17, ?

A. 19

B. 21

C. 23

D. 25

17.15, 20, 25, 30, ?

A. 35

B. 40

C. 45

D. 50

18.12, 24, 36, 48, ?

A. 54

B. 56

C. 58

D. 60

19.2, 4, 6, 10, 16, ?

A. 24

B. 26

C. 22

D. 28

20.2, 4, 12, 48, ?

A. 144

B. 192

C. 240

D. 288

Answers:

1. B
2. A
3. B
4. D
5. C
6. D
7. A
8. D
9. B
10. C
11. D
12. A
13. A
14. C
15. B
16. A
17. B
18. D
19. A
20. D

We hope these questions helped you test your number series solving skills. Keep practicing and stay tuned for more such questions on Indian Defence Era!