Reasoning – Number Series Questions With Solutions.

reasoning  number series questions

What is number reasoning series?  

Reasoning – Number Series is a series of questions in a consequent order. It includes Numbers and variables arranged in an order that follows rules and patterns. The candidates are to find the next respected or missing number.   

The framing of the question is done in many ways. For example, the common questions follow a series of pattern with a missing number, and that the candidates should identify what number falls next. while other questions include figuring out and correcting the wrong series and pattern. There are many types of reasoning number series questions, some of them are

Types of number series

  • Addition 
  • Subtraction 
  • Multiplication 
  • Division 
  • Square roots  
  • Arranging numbers  

Numerical reasoning tests are used to evaluate the candidate’s abilities and flexibility with numbers. It involves questions of logical reasoning in the form of MCQs.  

Logical number reasoning questions are asked in many important exams and even interviews.
For example, bank exams, SSC, UPSC, LIC, PSC, etc. all include number series as a major part of its syllabus. And to succeed in it, the student needs to have the needed knowledge and expertise. So here are thirty questions you can practice number reasoning with.  

Note: The answer key to the below questions is provided at the end of each part.

Number reasoning Questions {part 1}

Directions: what will follow next in the place of the question mark (?) in the following series? 
 
1. 5, 18, 31, 44, 57, ? 
(a) 73  (b) 75  (c) 70  (d) 71 
 
2. 2, 2, 5, 9, 10, ?  
(a) 21 (b) 24  (c) 28  (d) 23  
 
3. 7, 10, 8, 11, 9, 12, ? 
(a) 7 (b) 10 (C) 12 (d) 13  
 
4. 53, 53, 40, 40, 27, 27, ?  
(a) 12 (b) 14 (c) 27 (d) 53  
 
5. 21, 9, 21, 11, 21, 13, 21, ?  
(a) 14 (b) 7 (c) 15 (d) 23 
 
6. 58, 52, 46, 40, 34, ?  
(a) 28 (b) 26 (c) 30 (d) 32 
 
7. 31, 29, 24, 22, 17, ?  
(a) 12 (b) 14 (c) 13 (d) 15 
 
8. 8, 22, 8, 28, 8, ? 
(a) 9 (b) 29 (c) 32 (d) 34 
 
9. 14, 28, 20, 40, 32, 64, ?  
(a) 56 (b) 52 (c) 59 (d) 94 
 
10. 201, 202, 204, 207, ?  
(a) 205(b) 211 (c) 216 (d) 210 

Answers  

  1. (c) 70  
  1. (c) 28  
  1. (b) 10  
  1. (b) 14 
  1. (c) 15 
  1. (a) 28 
  1. (d) 15 
  1. (d) 34  
  1. (a) 56 
  1. (B) 211  

Questions {part 2}  

11. 1, 3, 8, 19, 42, 89, ? 
(a) 184 (b) 98 (c) 183 (d) 192 
 
12. 8, 13, 10, 15, 12, 17, 14, ?  
(a) 20 (b) 17 (c) 19 (d) 23 
 
13.  3, 13, 53, 213, ?  
(a) 853 (b) 645 (c) 678 (d) 895 
 
14. 13, 17, 23, 29, 31, 37, ?  
(a) 22 (b) 41 (c) 42 (d) 47  
 
15. 1, 10, 9, 16, 25, 26, 49, ?  
(a) 11 (b) 7 (c) 15 (d) 16 
 
16. 1, 125, 729, 2177, ?  
(a) 2177 (b) 121 (c) 2134 (d) 2165 
 
17. 767, 495, 359, 291, 257, ?  
(a) 230 (b)240 (c) 235 (d) 280 
 
18. 50, 67, 33, 84, 16, ?  
(a) 101 (b) 109 (c) 110 (d) 112 
 
19. 13, 15, 21, 33, 53, ?  
(a) 52 (b) 82(c) 98 (d) 82 
 
20. 432, 443, 463, 500, 562,
(a) 657 (b) 689 (c) 650 (d) 654 
 
Answers :  

  1. (a) 184 
  1. (c) 19 
  1. (a) 853  
  1. (b)  41  
  1. (d) 16 
  1. (a) 2177  
  1. (b) 240  
  1. (a) 101  
  1. (d) 82  
  1. (a) 657   

Questions {part 3}  

21. 10, 33, 102, 309, ? 
(a) 1030 (b) 1050 (c) 928 (d) 930 
 
22. 31, 13, 45, 54, ? 63  
(a) 36 (b) 55 (c) 15 (d) 60 
 
23. 50, 67, 33, 84, 16, ? 
(a) 102 (b) 105 (c) 101 (d) 111 
 
24. 2, 4, 12, 60, 240, ? 
(a) 4780 (b) 4567 (c) 4843 (d) 4620 
 
25. 13, 15, 21, 33, 53, ? 
(a) 83 (b) 91 (c) 98 (d) 78 
 
26. 40, 30, 22, 16, ? 
(a) 10 (b) 12 (c) 15 (d) 16 
 
27. 32, 19, 8, ? 
(a) 11 (b) 1 (c) 19 (d) 2 
 
28. 71, 55, 46, 42, ? 

(a) 43 (b) 34 (c) 38 (d) 41 
 
29. 8, 6, 9, 23, 87, ? 
(a) 429 (b) 456 (c) 342 (d) 123 
 
30. 36, 34, 30, 28, 24, ?  
(a)22  (b) 20 (c) 23  (d) 16 
 

Answers  

  1. (d) 930  
  1. (a) 36  
  1. (c) 101  
  1. (d) 4620 
  1. (a) 83  
  1. (b) 12  
  1. (b) 1  
  1. (d) 41  
  1. (a) 429 
  1. (a) 22  
      

conclusion

Solving questions based on number series proves to be easy if you’ve worked with enough problems. There are many tips and tricks to get these problems solved in seconds. For example, first, understand and look through the numbers carefully. Second, figure out the pattern and the leaping digits and last, find the missing numbers.

Learning the right tricks and techniques to solve these kinds of problems will help you score easily in prestigious exams that give high importance to reasoning. And solving similar questions will help you improve your performance in real exams.

Solving as many questions as possible is also important because of time management. And as we all know, reasoning and logic are quite time-consuming. Hence, learning to answer questions in minimum time could make a lot of difference in your performance.

Leave a Comment

Your email address will not be published. Required fields are marked *