Number Series Questions and Answers is an an essential part for Competitive Exams like IBPS, SBI, SSC, RRB, GATE etc. How you need to solve is you need to start by multiplying the first number .

Number series aptitude questions present you with mathematical sequences .In questions related to the number series logical reasoning section. Solve these Number Series problems and practice for competitive exams.
Number Series Questions for Competitive exams
Q1. 80, 10, 70, 15, 60, … What is the number?
A. 35
B. 25
C. 30
D. 20
Option D – 20
Q2. 2, 6, 18, 54, … What is the number?
A. 108
B. 128
C. 168
D. 162
Option D – 162
Q3.5.2, 4.8, 4.4, 4, … What is the number?
A. 3.6
B. 3.3
C. 3.5
D. 3.1
Option 1 – 3.6
Q4. 8, 6, 9, 23, 87 , … What is the number?
A. 128
B. 226
C. 429
D. 420
Option C- 429
Q5.1.5, 2.3, 3.1, 3.9, … What is the number?
A. 4.2
B. 4.7
C. 4.6
D. 5.2
Option B- 4.7
Q6.14, 28, 20, 40, 32, 64, … What is the number?
A. 56
B. 54
C. 93
D. 128
Option A- 56
Q7.2, 4, 6, 8, 10, … What is the number?
A. 11
B. 15
C. 12
D. 14
Option C- 12
Q8.201, 202, 204, 207, … What is the number?
A. 201
B. 206
C. 211
D. 215
Option C- 211
Q9.544, 509, 474, 439, … What is the number?
A. 424
B. 412
C. 404
D. 444
Option D- 404
Q10. 21, 9, 21, 11, 21, 13, 21, … What is the number?
A. 15
B. 16
C. 26
D. 23
Option A- 15
Q11.58, 52, 46, 40, 34, … What is the number?
A. 28
B. 26
C. 31
D. 32
Option A- 28
Q12. 3, 4, 7, 8, 11, 12, …What is the number?
A. 7
B. 10
C. 15
D. 13
Option C- 15
Q13.31, 29, 24, 22, 17, … What is the number?
A. 12
B. 17
C. 13
D. 15
Option D- 15
Q14.8, 22, 8, 28, 8, … What is the number?
A. 34
B. 9
C. 32
D. 30
Option A- 34
Q15.53, 53, 40, 40, 27, 27, … What is the number?
A. 12
B. 29
C. 14
D. 53
Option C- 14
Q16.36, 34, 30, 28, 24, … What is the number??
A. 28
B. 29
C. 26
D. 22
Option C- 26
Q17.22, 21, 23, 22, 24, 23, … What is the number?
A. 22
B. 24
C. 26
D. 25
Option D- 25
Q18. 7, 10, 8, 11, 9, 12, … What is the number?
A. 7
B. 12
C. 10
D. 13
Option C- 10
Q19.2, 1, (1/2), (1/4), … What is the number?
A. (1/8)
B. (1/9)
C. (2/8)
D. (1/14)
Option A- 1/8
Q20. 4, 7, 12, .., 28, 39? Which Number Come in Blank???
A. 14
B. 24
C. 19
D. 16
Option A- 14
Q21.What is the “X” Value: 1, 4, 9, 16, 25, x?
A. 35
B. 47
C. 36
D. 49
Option C- 36
Q22. Below Pattern Number Which Number Comes Next?
2 44 4 41 6 38 8
A. 10 12
B. 35 10
C. 34 15
D. 35 12
Option B- 35 10
Q23.26, 12, 10, 16, X What is ‘X” Value?
A. 50
B. 53
C. 56
D. 58
Option C- 56
Q24. 2, 1, (1/2), (1/4), … What is the Next Number?
A. (1/3)
B. (1/8)
C. (2/8)
D. (1/16)
Option B- 1/8
Q25.32 31 32 29 32 27 32? Next pair Number?
A. 26 32
B. 25 32
C. 29 35
D. 25 30
Option B- 25 32