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Series Questions

Practice 338 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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338
Total Questions
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19
Easy
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315
Medium
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4
Hard
Practice by Exam:General Intelligence and Reasoning(182)General Intelligence & Reasoning(95)Reasoning(26)General Intelligence(12)Reasoning Ability(7)Logical Reasoning(5)Quantitative Aptitude(5)Mathematics(3)

About Series — practice questions, PYQs & concepts

Series is a frequently-tested topic on General Intelligence and Reasoning, General Intelligence & Reasoning, Reasoning. ExamTest.live currently lists 338 Series questions spanning previous-year papers from 2004 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 weight in competitive exams

Across our Series question bank, the largest sources are General Intelligence and Reasoning (182), General Intelligence & Reasoning (95), Reasoning (26), General Intelligence (12) and Reasoning Ability (7). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 19 easy 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 Series Questions(1–100 of 338)

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Q1mediummcqGeneral Intelligence and ReasoningSSC CGL2026
20% accuracy
In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_ n _ p _ n o _ m _ _ p
Q2mediummcqGeneral Intelligence and ReasoningSSC CGL2026
40% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
ABC, PQR, DEF, STU, ?
Q3mediummcqGeneral Intelligence and ReasoningSSC CGL2026
60% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
January, March, May, ?
Q4mediummcqGeneral Intelligence and ReasoningSSC CGL2026
60% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
ACE, BDF, CEG, ?
Q5mediummcqGeneral 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, ?
Q6mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
Identify the figure which when put in place of the question mark (?) will logically complete the series.

image
Q7mediummcqGeneral 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
Q8mediummcqGeneral 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.Narendra Modi, Manmohan Singh, Atal Bihari Vajpayee, ?
Q9mediummcqGeneral Intelligence and ReasoningSSC CGL2026
67% accuracy
Select the option that represents the letters that, when sequentially placed from left to right in the following blanks, will complete the letter series.
Z _ _ O _ _ E _ _ F _ E M _ F
Q10mediummcqGeneral Intelligence and ReasoningSSC CGL2026
33% accuracy
Select the combination of letters that when sequentially placed in the blanks of the given series, will complete the series.
sr_ss_s_s_ss
Q11mediummcqGeneral 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
Q12mediummcqGeneral 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.FU, LO, RI, ?
Q13mediummcqGeneral Intelligence & 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.DE, GI, KN, ?
Q14mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
0% accuracy
Which of the following letter-clusters will replace the question mark (?) in the given series?
ZG, BD, CX, EO, FC, ?

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image
Q15mediummcqGeneral 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
Q16mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
0% accuracy
Which of the following letter-clusters will replace the question mark (?) in the given series?
XI, EE, LB, SZ, ?
Q17mediummcqGeneral 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, ?
Q18mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
FU, GT, HS, IR, ?
Q19mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In the following question, select the missing number from the given series.
164964362563816?
Q20mediummcqGeneral 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.
I, M, ?, U, Y
Q21mediummcqGeneral 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.
China, ?, United States of America, Indonesia
Q22mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
Select the correct option that will fill in the blank and complete the series.LM, QR, VW, ______
Q23mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
OP, RS, VW, ?, GH
Q24mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
cd _ de _ dd _ ecdd _ e
Q25mediummcqGeneral 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, ?
Q26mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
j _ l _ j k _ m _ k l _
Q27mediummcqGeneral 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,?
Q28mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
?, flight lieutenant, squadron leader, wing commander
Q29mediummcqGeneral 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.
QR, VW, BC, ?
Q30mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which numbers will replace the question marks () to logically complete the given series?
Q31mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which letter cluster can replace the question mark () to complete the given series?
FDKI, GCMG, ?, IAQC
Q32mediummcqMental AbilityCompetitive Exam Practice Paper2026
0% accuracy
If the sequence of the alphabets is reversed, which of the following would be the letter from your left?
Q33mediummcqGeneral 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.
Q34mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following terms will replace the question mark (?) in the given series?WGZC, TJVG, ?, NPNO, KSJS
Q35mediummcqGeneral IntelligenceWBCS Prelims2026
100% accuracy
Fill in the missing letter in the following series:
Q36mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.AGMST, CIOUV, EKQWX, ?
Q37mediummcqGeneral 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.
Millimetre, Micrometre, Nanometre, ?
Q38easymcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following letter-clusters will replace the question mark (?) in the given series?EFCD, GHEF, IJGH, ?, MNKL
Q39easymcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which number will replace the question mark (?) in the following series?31, 37, 41, 43, ?, 53, 59, 61, 67
Q40easymcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following letter-clusters will replace the question mark (?) in the given series?BCDA, FGHE, JKLI, ?, RSTQ
Q41mediummcqGeneral 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.
AY, CW, EU, ?
Q42mediummcqGeneral 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.
Padma Shri, Padma Bhushan, Padma Vibhushan, ?
Q43mediummcqGeneral 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.
CAE, FDH, IGK, ?
Q44mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a _ c _ a _ c b _ c c b
Q45mediummcqGeneral Intelligence & 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.
Mohammad Hamid Ansari, Bhairon Singh Shekhawat, Krishan Kant, ?
Q46mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
A_C_E_B_DE
Q47mediummcqGeneral 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, ?
Q48mediummcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
A _ B C _ B B C _ B B _
Q49mediummcqGeneral 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, ?
Q50mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
In the following question, select the missing number from the given series.
3, 12, 24, 4, 16, 32, 5, 20, ?
Q51mediummcqGeneral Intelligence & 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.
HI, MN, RS, ?
Q52mediummcqGeneral 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
Q53mediummcqGeneral 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,?
Q54mediummcqGeneral 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.
?, YZ, DE, JK
Q55mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
GHI,?, TUV, BCD
Q56hardmcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
Select the set of letters that, when sequentially placed in the blanks of the given letter series, will complete the letter series.
u _ q _ c _ u r _ z _ n _ r q _ c n
Q57mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
Select the set of letters that, when sequentially placed in the blanks of the given letter series, will complete the letter series.
C R _ P _ _ T _ C _ T P
Q58mediummcqGeneral 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.
Seed, Sapling, Plant, Flower, ?
Q59mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Which number will replace the question mark (?) in the following series?
68, 67, ?, 65, 72, 63
Q60mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
C _ C _ S _ C _ _ C _ _
Q61mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_ NE CIN _ C _ M
Q62mediummcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Glacier, Waterfall, River, ?
Q63mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the figure that will come next in the following figure series.

image

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Q64mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
100% accuracy
Select the figure that will come in place of the question mark (?) in the following figure series.

image

image
Q65easymcqGeneral 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, ?
Q66mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following numbers will replace the question mark (?) in the given series?
191, 174, 165, 148, 139, ?
Q67mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following letter-clusters will replace the question mark (?) in the given series?
RI, PK, LO, FU, XC, ?
Q68mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the figure from among the given options that can replace the question mark (?) in the following series.

image

image
Q69mediummcqGeneral IntelligenceSSC Selection Post 20212026
0% accuracy
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
ILP, KHV, MDB, OZH, ?
Q70mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
In the following question, select the missing number from the given series.
36, 44, 32
72, 88, 64
54, 66, ?
Q71mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_ k _ m _ k l _ j k _ m
Q72mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Which of the following letter-clusters will replace the question mark (?) in the given series?
UHS, OJQ, ILO, ENM, ?
Q73mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
FW, JS, ?, RK, VG
Q74mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which letter cluster will replace the question mark () to complete the given series?
HEWC, KIRI, ?, QQHU, TUCA
Q75mediummcqGeneral 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.
RS, ZA, HI, ?
Q76mediummcqGeneral 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
Q77mediummcqGeneral 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
Q78mediummcqGeneral 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.
Q79mediummcqGeneral 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, ?
Q80mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a_b_a_c_a_bc
Q81mediummcqGeneral 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.
PON, LKJ, GFE, ?
Q82mediummcqGeneral 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.
GH, LM, PQ, ST, ?
Q83mediummcqGeneral 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.
SR, ON, ?, GF
Q84mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
In the following question, select the missing number from the given series.
3, 7, 21, 56, 308, 1, ?
Q85mediummcqGeneral 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, ?
Q86mediummcqGeneral 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.
Ace, King, Queen, ?
Q87mediummcqGeneral Intelligence & 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.
BB, DZ, GW, KS, ?
Q88mediummcqGeneral 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,?
Q89mediummcqGeneral IntelligenceWBCS Prelims2026
0% accuracy
What should come in the place of question mark in the following series?
Q90mediummcqGeneral 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, ?
Q91mediummcqGeneral 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
Q92mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Nanga Parbat, Kanchenjunga, Mount Godwin-Austen, ?
Q93mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
x_zz_xx_z_yx
Q94mediummcqGeneral IntelligenceWBCS Prelims2026
0% accuracy
Select the correct option that will fill in the blank and complete the series.
Q95mediummcqGeneral 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.
?, HI, OP, WX
Q96mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Select the figure from among the given options that can replace the question mark (?) in the following series.

image

image
Q97easymcqGeneral 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, ?
Q98hardmcqGeneral 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, ?
Q99mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which letter cluster will replace the question mark () to complete the given series?
CHO, DIP, EJQ, ?
Q100mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Which letter cluster will replace the question mark (?) to complete the given series?
SVGQ, OCWD, ?, GQCD, CXSQ
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Frequently Asked Questions

How many Series questions are on ExamTest.live?▼
We have 338 Series questions spread across 4 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Series MCQs free?▼
Yes. All Series questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Series questions?▼
Series questions are commonly asked in General Intelligence and Reasoning, General Intelligence & Reasoning, Reasoning, General Intelligence, Reasoning Ability. You can filter by exam using the links above.
How do I practice 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.