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Topic Combinations
Asked 2 times across 2 UPSC exams over 9 years (2015–2024), peaking in 2015.
Key insights
- Most tested in EPFO — 1 of 2 PYQs
- Most asked in 2015
- Recurs across 2 years (2015–2024)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
EPFO 2015 → ESE 2024
How the concept evolved
Long-running — most appearances (1 of 2) predate 2016, and it still returns.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
ESE2024
If six people greet each other at a meeting by shaking hands with one another, how many handshakes take place?
- A 14
- B 16
- C 15 ✓
- D 18
✓ Correct answer: (C)
Quantitative Aptitude › Number System
EPFO2015
In a chess tournament, each of the six players will play with every other player exactly once. What is the number of matches that will be played during the tournament ?
- A 10
- B 15 ✓
- C 20
- D 25
✓ Correct answer: (B)
Quantitative Aptitude › Number System
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