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Topic

Series completion

Asked 3 times across 2 UPSC exams over 6 years (2019–2025), peaking in 2019.
3
PYQs
2
Exams
2
Years active
2019–2025
Span
2019
Peak
3/3
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CAPF — 2 of 3 PYQs
  • Most asked in 2019
  • Recurs across 2 years (2019–2025)

How it travelled across exams

First appearance in each exam — the same idea, reframed.
CAPF 2019 CISF 2025

How the concept evolved

219
125
Rising — more than half its appearances (3 of 3) are since 2016.

Sample questions

You've seen the pattern — here are a few of the actual PYQs.
CISF2025
What is next in the series ? FD, HE, KF, PG, __
  1. A UG
  2. B VG
  3. C XH
  4. D YH ✓
✓ Correct answer: (D)
Logical Reasoning & DI › Non-Verbal Reasoning
CAPF2019
The next term of the series BCYX, EFVU, HISR, KLPO, .......... is
  1. A NOML ✓
  2. B NOLM
  3. C ONML
  4. D ONLM
✓ Correct answer: (A)
Current Affairs & Static GK › Miscellaneous GK
CAPF2019
Consider the following series: 1, 9, 17, 33, 49, 73, .... Identify the missing number from the following:
  1. A 99
  2. B 97 ✓
  3. C 95
  4. D 91
✓ Correct answer: (B)
Current Affairs & Static GK › Miscellaneous GK

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