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Topic Mensuration
Asked 10 times across 4 UPSC exams over 7 years (2015–2022), peaking in 2016.
Key insights
- Most tested in EPFO — 6 of 10 PYQs
- Most asked in 2016
- Recurs across 5 years (2015–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
EPFO 2015 → CAPF 2019 → CISF 2021 → ESE 2022
How the concept evolved
Rising — more than half its appearances (8 of 10) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
ESE2022
One side of a rhombus is 10 cm and one of its diagonals is 12 cm. The area of the rhombus is 13. Two boys begin together to write out a booklet containing 817 lines. The first boy starts with first line, writing at the rate of 200 lines an hour and the second boy starts with the last line. He writes line 817 and so on back wards proceeding at the rate of 150 lines an hour. At what line will they meet? 15 2022 ESE
- A
- B
- C
- D ✓
✓ Correct answer: (D)
Quantitative Aptitude › Geometry & Mensuration
CISF2021
A solid metal ball of diameter 10 cm is melted and cast into smaller balls of diameter 1 cm. How many such small balls can be made ?
- A 250
- B 500
- C 1000 ✓
- D 100
✓ Correct answer: (C)
Quantitative Aptitude › Geometry & Mensuration
CISF2021
Consider a square of side length 2 m. What is the difference of the areas of the circumscribed circle and the inscribed circle (in m²) ?
- A 3π/2
- B π/2
- C 2π
- D π ✓
✓ Correct answer: (D)
Quantitative Aptitude › Geometry & Mensuration
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