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Number Series Questions

Practice 324 Number Series questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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324
Total Questions
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32
Easy
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286
Medium
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6
Hard
Practice by Exam:General Intelligence and Reasoning(126)General Intelligence & Reasoning(87)Reasoning(42)Quantitative Aptitude(21)General Intelligence(16)Mental Ability(9)Reasoning Ability(7)Logical Reasoning(6)

About Number Series — practice questions, PYQs & concepts

Number Series is a frequently-tested topic on General Intelligence and Reasoning, General Intelligence & Reasoning, Reasoning. ExamTest.live currently lists 324 Number Series questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Number Series weight in competitive exams

Across our Number Series question bank, the largest sources are General Intelligence and Reasoning (126), General Intelligence & Reasoning (87), Reasoning (42), Quantitative Aptitude (21) and General Intelligence (16). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 32 easy Number Series questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Number Series Questions(1–100 of 324)

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Q1easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
42% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
24,30,39,51,66,84,?
Q2mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
36% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
14,19,34,79,?
Q3mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
36% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
Q4mediummcqGeneral Intelligence and ReasoningSSC CGL2026
20% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
130, 450, 970, 1690, ?
Q5mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
25% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
14, 23, 38, 59, ?, 119
Q6mediummcqGeneral Intelligence & ReasoningSSC CGL2026
75% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
35, 43, 53, 61, 71, ?
Q7easymcqGeneral Intelligence & ReasoningSSC CGL2026
50% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
224, 112, 56, 28, ?
Q8mediummcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
552, ?, 650, 702, 756
Q9mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
0% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
91, 102, 139, ?, 187, 198, 235
Q10mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Find the next number in the series .
Q11mediummcqGeneral Intelligence & ReasoningSSC CGL2026
33% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.2, 7, 16, ?, 46, 67
Q12mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
33% accuracy
Select the number that can replace the question mark (?) in the following series.
Q13mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Find the next number in the series .
Q14easymcqQuantitative AptitudeCompetitive Exam2026
33% accuracy
What is the next number in the series?
Series:
Q15mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Find the missing number in the following series :
Q16mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
33% accuracy
Find the next number in the series .
Q17mediummcqGeneral Intelligence and ReasoningSSC CGL2026
33% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
4, 27, 16, 125, ?, 343
Q18mediummcqReasoningCompetitive Exam Practice Paper2026
0% accuracy
Find the incorrect number in the following series:
Q19mediummcqGeneral IntelligenceSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
उस वि कल्प का चयन की जि ये जो रि क्त स्था न को भरेगारे गा और नि म्नलि खि त श्रृंखला को पूर्ण करेगारे गा।37, 41, 43, 47, 53, 59, __________
Q20mediummcqReasoning AbilityWBCS Prelims 20182026
0% accuracy
What should come in the place of question mark in the following series?
Q21mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
20, 400, 22, 484, 24, 576, ?
Q22easymcqGeneral Intelligence & ReasoningStaff Selection Commission2026
100% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
Q23mediummcqGeneral Intelligence and ReasoningGovernment Recruitment Exam Practice Paper2026
0% accuracy
What will be the next number in the series?
Q24mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
12,24,72,288,?
Q25mediummcqQuantitative AptitudeSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
उस वि कल्प का चयन की जि ये जो रि क्त स्था न को भरेगारे गा और नि म्नलि खि त श्रृंखला को पूर्ण करेगारे गा।37, 41, 43, 47, 49, 53, 55, 59, __________.
Q26mediummcqGeneral IntelligenceSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
उस संख्या को ज्ञा त की जि ये जो नि म्नलि खि त संख्या श्रृंखला में सही नहीं है।1, 2, 3, 7, 22, 155, 3310
Q27mediummcqQuantitative AptitudeUP Police Constable2026
50% accuracy
Find the missing numbers in the series and find the value of .
Q28mediummcqReasoningCompetitive Exam Practice Paper2026
0% accuracy
Find the next number in the series:
Q29mediummcqGeneral IntelligenceSSC Selection Post 2018 Higher Secondary Level2026
0% accuracy
नि म्नलि खि त श्रृंखला एक प्रवृत्ति का अनुसरण करती है। उस शब्द को ज्ञा त की जि ये जो प्रवृत्ति का अनुसरण नहीं करती है?4, 6, 10, 16, 24, 34, 40, 60
Q30mediummcqQuantitative AptitudeUP Police Constable2026
50% accuracy
Given the pattern in the provided numbers, how would you express the number represented by '?' ?
Q31mediummcqReasoningCompetitive Exam Practice Paper2026
0% accuracy
Identify the incorrect number in the following series.
Q32mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In the following question, select the missing number from the given series.
164964362563816?
Q33mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
In the following question, select the missing number from the given series.
5, 29, 73, 141, 237, 365, ?
Q34mediummcqQuantitative AptitudeCompetitive Exam Practice Paper2026
0% accuracy
Find the next number in the series:
Q35mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the correct option that will fill in the blank and complete the series.-1, 2, 7, ?, 23, 34
Q36mediummcqReasoningCompetitive Exam Practice Paper2026
0% accuracy
Find the odd one out from the given series:
Q37mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the correct option that will fill in the blank and complete the series.1024, ?, 1600, 2000, 2500, 3125
Q38mediummcqReasoningCompetitive Exam Practice Paper2026
0% accuracy
What is the missing number in the following sequence?
Q39mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
0.5, 2, 3.5, ?, 6.5
Q40mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Which number will replace the question mark (?) in the following series?
68, 67, ?, 65, 72, 63
Q41mediummcqReasoningCompetitive Exam2026
100% accuracy
The next term in the sequence 4, 10, 22, 46, ________ is
Q42mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
Q43mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which numbers will replace the question marks () to logically complete the given series?
Q44mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Select the number from among the given options that can replace the question mark () in the following number series.
Q45mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
80, 130, 190, 260, ?
Q46mediummcqGeneral IntelligenceWBCS Prelims2026
0% accuracy
What should come in the place of question mark in the following series?
Q47mediummcqGeneral Intelligence & ReasoningCompetitive Examination2026
0% accuracy
Find the odd number out:
Q48mediummcqReasoningCompetitive Exam2026
0% accuracy
Which of the following sequences is different from the rest?
a.
b.
c.
d.
Q49mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the missing numbers ( and ) in the series and find the value of .
Q50mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
60, 121, 243, ?
Q51mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the odd one from the given series:
Q52mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the next number in the series:
Q53mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
In the following question, select the missing number from the given series.
19, 25, 32, 38, 45, 51, ?
Q54mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In the following question, select the missing number from the given series.
152, 164, 176, 188, ?, 212
Q55mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the missing number in the series:
Q56mediummcqReasoningCompetitive Exam2026
0% accuracy
Identify the incorrect number in the following series:
Q57mediummcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
In the following question, select the missing number from the given series.
5,1,5,10,4,17,9,10,?,10
Q58mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
5,7.5,12.5,22.5,?
Q59mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
2, 3, 7, 16, ?
Q60mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
In the following question, select the missing number from the given series.
3, 7, 21, 56, 308, 1, ?
Q61mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
144,256,400,?
Q62mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the related word/letters/number from the given alternatives.
2:10::3:?
Q63mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
31, 35, 51, 87, 151, ?, 395
Q64hardmcqGeneral IntelligenceSSC Selection Post 20212026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
1, 5, 10, 23, 63, 167, ?
Q65mediummcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
18, 54, 29, 87, 62, 186, ?
Q66mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
0% accuracy
Which of the following numbers will replace the question mark (?) in the given series?5, 8, 19, 36, 75, ?
Q67easymcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which number will replace the question mark (?) in the following series?31, 37, 41, 43, ?, 53, 59, 61, 67
Q68mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Select the number from among the given options that can replace the question mark () in the following series.
Q69mediummcqGeneral Intelligence & ReasoningCompetitive Examination2026
0% accuracy
Find the next number in the series:
2, 6, 12, 20, ?
Q70mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
191, 174, 165, 148, 139, ?
Q71mediummcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
287, 195, 286, 189, 284, 184, 281, 180, ?
Q72mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
100% accuracy
Which of the following numbers will replace the question mark (?) in the given series?4, 7, 17, 38, 72, 123, 193, 286, 408, ?
Q73easymcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
7, 14, 28, 56, ?
Q74mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
122, 197, 290, ?
Q75mediummcqReasoningCompetitive Exam Practice2026
0% accuracy
Consider the given numbers: . If all the numbers are arranged in ascending order, what is the sum of the last digit of the second number and the first digit of the fourth number in the new arrangement?
Q76easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
4,16,36,64,?
Q77mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
In the following question, select the missing number from the given series.
57, 69, 81, 93, ?, 117
Q78mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
250, 275, 301, ?
Q79mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
729, 512, 343, ?, 125
Q80mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
In the following question, select the related number pair from the given alternatives.
43:70::94:?
Q81mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
In the following question, select the missing number from the given series.
9, 28, 86, 261, 787, ?
Q82mediummcqReasoningMock Test2026
0% accuracy
Study the given number series carefully and identify the term that does not follow the pattern. Choose the wrong number in the series from the given options:
Q83easymcqQuantitative AptitudeSSC Selection Post 2021 Matriculation Level2026
100% accuracy
What is the average of the first 8 multiples of 8?
Q84mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
20,120,240,380,?
Q85mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
5, 5, 15, 75, ?, 4725
Q86mediummcqReasoningMock Test2026
0% accuracy
Select the missing number from the following options to complete the given series:
Q87easymcqGeneral IntelligenceSSC Selection Post 20212026
0% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
248, 257, 250, 259, 252, ?
Q88mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
4,8,16,64,36,216,64,?
Q89mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
3,23,33,43,58,88,?
Q90mediummcqReasoningAUT-242026
Find the missing number.
13, 1, 17, ?, 21
Q91hardmcqGeneral Intelligence & ReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
4,10,23,67,137,?
Q92easymcqGeneral Intelligence & ReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
264,136,72,40,?
Q93mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q94mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the number that will replace the question mark (?) in the following number series.
Q95mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
What is the next number in the series?
Q96easymcqGeneral Intelligence and ReasoningAdda2472026
Find the next number in the following series:
Q97mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Which of the following numbers will replace the question mark (?) in the given series?
Q98mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Which of the following numbers will replace the question marks (?) in the given series?
Q99easymcqGeneral Intelligence and ReasoningAdda2472026
Find the next number in the following series:
Q100easymcqGeneral Intelligence and ReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
6287,5659,5031,4403,3775,?
1234

Frequently Asked Questions

How many Number Series questions are on ExamTest.live?▼
We have 324 Number Series questions spread across 4 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Number Series MCQs free?▼
Yes. All Number Series questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Number Series questions?▼
Number Series questions are commonly asked in General Intelligence and Reasoning, General Intelligence & Reasoning, Reasoning, Quantitative Aptitude, General Intelligence. You can filter by exam using the links above.
How do I practice Number Series questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.