Number Series Questions for exams
All most in all the entrance tests, as well as interviews Number Series Questions, are asked to evaluate IQ. Solve these Number Series problems and practice for competitive exams. People who love mathematics definitely enjoy solving Number Series Questions and answers. This section is devoted to all such enthusiast brain buddies.
Let's have some important Number Series Questions and Answers to solve yourself for better practice of competitive exams. As well as of these questions, you should know Number Series Problems with Solutions for saving time in the competitive Exams.
Series Completion Objective Type Questions

Numbers Problems with Solutions

Problem on number aptitude question and answers

Number System Questions in Hindi

Number Series Questions and Answers logical reasoning problems:
Q :
127, 131, 139, ?, 151, 157, 163, 167,
(A) 149
(B) 147
(C) 141
(D) 143
Correct Answer : C
2, 12, 36, 80, 150, ?
(A) 250
(B) 252
(C) 200
(D) 270
Correct Answer : B
Explanation :
Explanation:
A unique pattern has been made into use in this series.
All numbers are (n^3 + n^2) where n is 1, 2, 3 and so on.
6, 14, 36, 98, ?
(A) 276
(B) 275
(C) 220
(D) 274
Correct Answer : A
Explanation :
Explanation:
6 = 1^1 + 2^1 + 3^1
14 = 1^2 + 2^2 + 3^2
36 = 1^3 + 2^3 + 3^3
98 = 1^4 + 2^4 + 3^4
Thus the next number will be
1^5 + 2^5 + 3^5 = 276
5, 16, 49, 104, ?
(A) 171
(B) 191
(C) 181
(D) 161
Correct Answer : C
Explanation :
Explanation:
+11 =16
+33 =49
+55 =104
+77 =181
8, 7, 11, 12, 14, 17, 17, 22, ?
(A) 27
(B) 20
(C) 24
(D) 22
Correct Answer : B
Explanation :
Explanation:
There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.
2, 6, 12, 20, 30, 42, 56, ?
(A) 61
(B) 64
(C) 70
(D) 72
Correct Answer : D
Explanation :
The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.
So, the next number is 8 x 9 = 72.
4, 8, 16, 32, 64, ?
(A) 128
(B) 128
(C) 192
(D) 192
Correct Answer : B
Explanation :
Explanation:
Each number is the proceeding number multiplied by 2.
So, the required number is 128.
7, 26, 63, 124, 215, 342, ?
(A) 481
(B) 511
(C) 391
(D) 421
Correct Answer : B
Explanation :
Explanation:
Numbers are (23 – 1), (33 – 1), (43 – 1), (53 – 1), (63 – 1), (73 – 1) etc.
So, the next number is (83 – 1) = (512 – 1) = 511.
1, 6, 13, 22, 33, ?
(A) 44
(B) 45
(C) 46
(D) 47
Correct Answer : C
Explanation :
The pattern is + 5, + 7, + 9, + 11,...
.'. Missing number = 33 + 13 = 46.[/
24, 60, 120, 210, ?
(A) 300
(B) 420
(C) 336
(D) 400
Correct Answer : C