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Series Completion Questions

Practice 106 Series Completion questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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106
Total Questions
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8
Easy
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98
Medium
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0
Hard
Practice by Exam:General Intelligence & Reasoning(36)General Intelligence and Reasoning(36)Reasoning(17)General Intelligence(15)Quantitative Aptitude(2)

About Series Completion — practice questions, PYQs & concepts

Series Completion is a frequently-tested topic on General Intelligence & Reasoning, General Intelligence and Reasoning, Reasoning. ExamTest.live currently lists 106 Series Completion 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.

Series Completion weight in competitive exams

Across our Series Completion question bank, the largest sources are General Intelligence & Reasoning (36), General Intelligence and Reasoning (36), Reasoning (17), General Intelligence (15) and Quantitative Aptitude (2). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 8 easy Series Completion 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 Series Completion Questions(1–100 of 106)

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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
50% accuracy
Which of the following terms will replace the question mark (?) in the given series?
Q4mediummcqGeneral 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.
ARC, XOZ, ULW, ?, OFQ
Q5mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
CG, KO, SW, ΑΕ, ?
Q6mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
WAX, YED, AIJ, CMP
Q7mediummcqReasoningMock Test2026
0% accuracy
Complete the given series:
Q8mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
In the following question, select the missing number from the given series.
57, 69, 81, 93, ?, 117
Q9mediummcqReasoningCompetitive Exam2026
0% accuracy
Which of the following figures will come in the missing place in the below figure?
image
Q10mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the next number in the series:
Q11mediummcqGeneral IntelligenceSSC Selection Post 20212026
0% accuracy
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
u_a_c_k_ba_cc_u_aa_ck
Q12mediummcqGeneral 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,?
Q13mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
Select the figure from among the given options that can replace the question mark (?) in the following series.

image

image
Q14mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
In the following question, select the missing number from the given series.
9, 28, 86, 261, 787, ?
Q15easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
100% accuracy
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
VQL, RMH, NID, JEZ, ?
Q16mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
UMP, SKN, QIL, OGJ, ?
Q17mediummcqGeneral 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
Q18easymcqGeneral 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,?
Q19mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In the following question, select the missing number from the given series.
152, 164, 176, 188, ?, 212
Q20mediummcqGeneral Intelligence & ReasoningIndian Competitive Exam Prep2026
0% accuracy
Which out of the following letters should replace the question mark in the series?
A, D, G, J, M, ?
Q21mediummcqGeneral 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, ?
Q22mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
Which of the following terms follows the trend of the given list?
AAAAAAA, BAAAAAA, BBBAAAA, BBBBAAA, ___
Q23mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the missing letter cluster in the given series:
Q24mediummcqGeneral Intelligence & ReasoningPractice Test2026
What will come in place of the question mark (?) in the following series?
Q25mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
ABZY, CDXW, EFVU, ?, IJRQ
Q26mediummcqGeneral Intelligence and ReasoningPractice Paper2026
Which number would replace the question mark in the given series?
9, 31, 97, 295, ?, 2671
Q27mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which of the following numbers will replace the question mark (?) in the given series?
168,191,218,249,284,?
Q28mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
\text{ABZ, BCY, CDX, DEW, \_\_\_\_\_\_\_\_}}
Q29mediummcqGeneral Intelligence and ReasoningPractice Paper2026
Find the number that follows in the given series.
5, 12, 26, 54, 110, ?
Q30mediummcqGeneral Intelligence and ReasoningPractice Paper2026
Identify the missing term in the following number series:
11, 22, 44, 66, ?
Q31mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Select the numbers from among the given options that can replace the question marks (?) in the following series.
83,86,91,98,?,122,?
Q32mediummcqGeneral Intelligence and ReasoningPractice Paper2026
Find the missing term in the given series.
7, 19, 43, 91, ?, 379
Q33mediummcqReasoningSSC CGL2026
Which of the following numbers will replace the question mark (?) in the given series?
73, 57, 43, 31, ?, 13
Q34mediummcqReasoningSSC CGL2026
Which letter cluster will replace the question mark (?) to complete the given series?
TUBE, SXEH, ?, QDKN, PGNQ
Q35mediummcqReasoningAUT-242026
Find the missing number.
13, 1, 17, ?, 21
Q36easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.NYQ, KWP, HUO, ESN, ?
Q37mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Identify the figure which when put in place of the question mark (?) will logically complete the series.

image

image
Q38mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which letter cluster will replace the question mark (?) to complete the given series?
TPD, URG, ?, WVM
Q39mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which number will replace the question mark (?) in the following series?
64, 65, 69, 78, 94, ?
Q40mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
OTE, PUF, QVG, RWH, ?
Q41mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
EG, FF, HI, KH, OK, TJ, ?
Q42mediummcqReasoningCompetitive Exam2026
Find the dissimilar term in the given sequence: ACA, BFB, CJC, DLD, EOE
Q43mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Choose the appropriate figure from the Answer Figures to replace the question mark (?).
[Note: Since the structural graphics for Q.111 are missing from the input text source, option B represents the logically correct match for this standard pattern completion matrix.]

image
Q44mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
S O _ T _ S _ F _ Y _ O F T _ _ O F T Y
Q45mediummcqQuantitative AptitudeCompetitive Exam2026
Complete the series 36, 54, 74, 96, 120, _______
Q46mediummcqGeneral Intelligence & ReasoningCompetitive Exams2026
What comes next in the sequence: B, E, H, K, _?
Q47mediummcqReasoningSSC CGL2026
Select the figure from the options that will replace the question mark (?) to logically complete the given series.

image

image
Q48mediummcqGeneral Intelligence & ReasoningCompetitive Exams2026
Find the missing number in the following series:
Q49mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
Find the next term in the sequence:
Q50mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
Find the next number in the series.
Q51easymcqGeneral Intelligence and ReasoningCompetitive Exam2026
What comes next in the sequence?
\text{A, C, E, G, \_\_\_}}
Q52easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.CZP, HWQ, MTR, RQS, ?
Q53mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Find the missing term.
119, 109, 89, 59, ______
Q54mediummcqGeneral IntelligenceCompetitive Exams2026
Find the next figure in the series from the options given below.

image
Q55mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Select the correct option that will fill in the blank and complete the series.
43, 55, 79, 115, ______
Q56mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q57mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Select the correct option that will fill in the blank and complete the series.
AEI, EIO, IOU, ______
Q58mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which of the following terms will replace the question mark (?) in the given series?
MBZT, KYBW, IVDZ, ?, EPHF
Q59easymcqGeneral Intelligence and ReasoningCompetitive Exam2026
Find the next number in the series.
\text{62, 55, 48, 41, \_\_\_}}
Q60easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q61mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Examine the following sequence of symbol combinations:


Carefully observe how the symbols are rearranged in a fixed, repeating cycle across the sequence. Identify the pattern of repetition to determine the correct combination that fills the fourth group ().
Q62mediummcqGeneral Intelligence & ReasoningPractice Test2026
Study the following sequence of symbol pairs:


Carefully observe the pattern and identify how the two symbol groups repeat in a fixed order, then determine the correct symbol combination that completes the sequence.
Q63mediummcqGeneral Intelligence and ReasoningPractice Paper2026
Identify the next term in the following number series:
220, 284, 356, ?
Q64mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
According to the series given below, fill in the blank with a suitable letter that would satisfy the series.
\text{Z, A, Y, B, X, C, \_\_\_\_\_\_\_\_}}
Q65mediummcqReasoningCompetitive Exam2026
What comes next in the series: Z, W, R, K, ?
Q66mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
FKAC, GLCE, HMEG, ?, JOIK
Q67mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Analyze the given letter series carefully. Each letter in the group follows a consistent pattern of shifting forward by a fixed number of positions in the alphabet (with wrap-around after Z). Identify the missing group based on this pattern:
Q68mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Select the missing number from the following options to complete the given series:
Q69mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
What is the next number in the series?
Q70mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
What is the next number in the series?
\text{3, 5, 11, 29, 83, \_\_\_}}
Q71mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Which term will replace the question mark (?) in the given series?
Q72mediummcqReasoningPractice Test2026
Observe the pattern in the given series and select the term that logically completes it:
CBA, GFE, KJI, ONM, SRQ, ___
Q73mediummcqReasoningSSC CGL2026
Which letter-cluster will replace the question mark (?) and complete the given series?
UTSR, XWVU, ?, DCBA, GFED
Q74mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Identify the figure given in the options which when put in place of the question mark (?) will logically complete the series.

image
Q75mediummcqReasoningSSC CGL2026
Select the combination of letters that when sequentially placed in the blanks of the given series, will complete the series.
PB_EP_UF_BU_PBUH
Q76mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
What comes next in the sequence?
Q77mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which letter cluster will replace the question mark (?) to complete the given series?
BLACK, BLACL, BLADL, BLBDL, ?, CMBDL
Q78mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
PTXL, OSWK, NRVJ, ?, LPTH
Q79mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
RI, YB, FU, MN, TG, ?
Q80mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q81mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which of the following numbers will replace the question mark (?) in the given series?
304, 261, 221, 184, ?, 119
Q82mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
JJ_K_LM_N_ _ O _ _ Q _ R _
Q83mediummcqReasoningAUT-242026
Find the missing pattern.
C22D, ____, C64D, C85D, C106D
Q84mediummcqQuantitative AptitudeCompetitive Exam2026
Complete the series 36, 54, 74, 96, 120, _______
Q85mediummcqReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q86mediummcqGeneral Intelligence & ReasoningCompetitive Exams2026
Complete the sequence: ZA8, Y7B, XC6, W5D, _?_
Q87mediummcqGeneral IntelligenceCompetitive Exams2026
Which of the following figures will come in the missing place in the below figure?
Series: [5-pointed Star] [Octagon] [Hexagon] [?] [Semicircle]
Q88mediummcqReasoningSSC CGL2026
Which of the following numbers will replace the question mark (?) in the given series?
Q89mediummcqGeneral Intelligence & ReasoningD.ZU-242026
Complete the series.
Q90mediummcqGeneral Intelligence & ReasoningPractice Paper2026
Complete the given series.
CBZ, FEW, IHT, ___
Q91mediummcqReasoningPractice Test2026
Identify the pattern in the group of letters and find the group that is missing in the sequence.
LHD, OJF, RLH, ___, XPL, ARN
Q92mediummcqGeneral Intelligence & ReasoningPractice Paper2026
Study the following sequence of symbol pairs :
@, #&, @, #&, @, #&, ___, #&, @, #&
The sequence follows a consistent alternating pattern between two symbol pairs. Carefully observe the pattern and identify how the two symbol groups repeat in a fixed order, then determine the correct symbol combination that completes the sequence.
Q93mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
Find the next number in the series .
Q94mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the combination of letters that when sequentially placed in the blanks of the given series, will complete the series.
_ww_xw_xx_wx_wwx
Q95mediummcqGeneral Intelligence & ReasoningPractice Paper2026
Find the missing term in the given series,
L22, M24, N26, ___, P30, Q32
Q96mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the letter from among the given options that can replace the question mark (?) in the following series.
Y, W, T, P, K, ?
Q97mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the option that represents the letters that, when sequentially placed from left to right in the following blanks, will complete the letter series.
_ K _ I W _ J _ W _ _ I _ K J _
Q98mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Identify the figure which when put in place of the question mark (?) will logically complete the series.

image

image
Q99mediummcqGeneral Intelligence & ReasoningD.ZU-242026
If the sequence of letters is , what comes next?
Q100mediummcqGeneral Intelligence & ReasoningD.ZU-242026
Find the missing number in the series.
12

Frequently Asked Questions

How many Series Completion questions are on ExamTest.live?▼
We have 106 Series Completion questions spread across 2 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Series Completion MCQs free?▼
Yes. All Series Completion questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Series Completion questions?▼
Series Completion questions are commonly asked in General Intelligence & Reasoning, General Intelligence and Reasoning, Reasoning, General Intelligence, Quantitative Aptitude. You can filter by exam using the links above.
How do I practice Series Completion 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.