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Series Completion Questions

Practice 63 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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63
Total Questions
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8
Easy
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55
Medium
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0
Hard
Practice by Exam:General Intelligence & Reasoning(24)General Intelligence and Reasoning(16)Reasoning(12)General Intelligence(11)

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 63 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 (24), General Intelligence and Reasoning (16), Reasoning (12) and General Intelligence (11). 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(1–63 of 63)

Filter:
Q1easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
38% 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
23% accuracy
Select the number from among the given options that can replace the question mark (?) in the following series.
14,19,34,79,?
Q3mediummcqGeneral 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,?
Q4mediummcqReasoningMock Test2026
0% accuracy
Complete the given series:
Q5mediummcqGeneral 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
Q6mediummcqReasoningCompetitive Exam2026
0% accuracy
Which of the following figures will come in the missing place in the below figure?
image
Q7mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the next number in the series:
Q8mediummcqReasoningCompetitive Exam2026
0% accuracy
Find the missing letter cluster in the given series:
Q9easymcqGeneral 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, ?
Q10easymcqGeneral 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,?
Q11mediummcqReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q12mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
ABZY, CDXW, EFVU, ?, IJRQ
Q13mediummcqReasoningSSC CGL2026
Which of the following numbers will replace the question mark (?) in the given series?
Q14mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Find the missing term.
119, 109, 89, 59, ______
Q15mediummcqReasoningSSC CGL2026
Select the figure from the options that will replace the question mark (?) to logically complete the given series.

image

image
Q16mediummcqGeneral 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, ?
Q17mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
PTXL, OSWK, NRVJ, ?, LPTH
Q18mediummcqGeneral 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
Q19mediummcqGeneral 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 _
Q20mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Select the correct option that will fill in the blank and complete the series.
AEI, EIO, IOU, ______
Q21mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Identify the figure which when put in place of the question mark (?) will logically complete the series.

image

image
Q22mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Which of the following terms will replace the question mark (?) in the given series?
Q23mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Select the correct option that will fill in the blank and complete the series.
43, 55, 79, 115, ______
Q24mediummcqGeneral 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:
Q25mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Select the missing number from the following options to complete the given series:
Q26mediummcqGeneral 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 ().
Q27mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Which term will replace the question mark (?) in the given series?
Q28mediummcqGeneral Intelligence & ReasoningPractice Paper2026
Complete the given series.
CBZ, FEW, IHT, ___
Q29mediummcqGeneral Intelligence & ReasoningPractice Paper2026
Find the missing term in the given series,
L22, M24, N26, ___, P30, Q32
Q30mediummcqReasoningPractice Test2026
Observe the pattern in the given series and select the term that logically completes it:
CBA, GFE, KJI, ONM, SRQ, ___
Q31mediummcqReasoningPractice Test2026
Identify the pattern in the group of letters and find the group that is missing in the sequence.
LHD, OJF, RLH, ___, XPL, ARN
Q32mediummcqGeneral 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.
Q33mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the number from among the given options that can replace the question mark (?) in the following series.
15,20,45,170,?
Q34mediummcqGeneral 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, ?
Q35mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Identify the figure which when put in place of the question mark (?) will logically complete the series.

image

image
Q36mediummcqGeneral Intelligence and ReasoningCompetitive Exam Practice2026
Select the option that will correctly replace the question mark (?) in the series.
0, 8, 24, 48, ?
Q37mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q38mediummcqGeneral Intelligence & ReasoningD.ZU-242026
Complete the series.
Q39mediummcqGeneral Intelligence & ReasoningD.ZU-242026
Find the missing number in the series.
Q40mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
What comes next in the sequence?
Q41mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
Find the next number in the series.
Q42mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam2026
What is the next number in the series?
Q43mediummcqGeneral Intelligence & ReasoningD.ZU-242026
Find the next number in the series .
Q44mediummcqReasoningCompetitive Exam2026
What comes next in the series: Z, W, R, K, ?
Q45mediummcqReasoningAUT-242026
Find the missing pattern.
C22D, ____, C64D, C85D, C106D
Q46mediummcqReasoningAUT-242026
Find the missing number.
13, 1, 17, ?, 21
Q47easymcqGeneral Intelligence and ReasoningCompetitive Exam2026
Find the next number in the series.
\text{62, 55, 48, 41, \_\_\_}}
Q48easymcqGeneral Intelligence and ReasoningCompetitive Exam2026
What comes next in the sequence?
\text{A, C, E, G, \_\_\_}}
Q49mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
What is the next number in the series?
\text{3, 5, 11, 29, 83, \_\_\_}}
Q50mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
Find the next number in the series .
Q51mediummcqGeneral 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,?
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.NYQ, KWP, HUO, ESN, ?
Q53mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q54easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Select the number from among the given options that can replace the question mark (?) in the following series.
Q55easymcqGeneral 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, ?
Q56mediummcqGeneral 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
Q57mediummcqGeneral 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 _
Q58mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_cb_a_b_a_b_ _c_da
Q59mediummcqGeneral Intelligence & ReasoningD.ZU-242026
If the sequence of letters is , what comes next?
Q60mediummcqGeneral 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
Q61mediummcqGeneral 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, \_\_\_\_\_\_\_\_}}
Q62mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which of the following letter-clusters will replace the question mark (?) in the given series?
FKAC, GLCE, HMEG, ?, JOIK
Q63mediummcqGeneral 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, \_\_\_\_\_\_\_\_}}

Frequently Asked Questions

How many Series Completion questions are on ExamTest.live?▼
We have 63 Series Completion questions spread across 1 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. 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.