Home / Topic / Ratio and Proportion
Topic Ratio and Proportion
Asked 4 times across 3 UPSC exams over 9 years (2016–2025), peaking in 2025.
Key insights
- Most tested in EPFO — 2 of 4 PYQs
- Most asked in 2025
- Recurs across 4 years (2016–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
EPFO 2016 → ESE 2022 → CISF 2023
How the concept evolved
Rising — more than half its appearances (4 of 4) are since 2016.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
EPFO2025
In a business, A, B and C had invested in the ratio of 2 : 3 : 5, but they all earned the same amount of profit at the end. If the profit is proportional to the amount as well as the duration of the investment, what will be the ratio of duration of their investments ?
- A 5 : 3 : 2
- B 2 : 3 : 5
- C 10 : 15 : 6
- D 15 : 10 : 6
Answer key not yet available (pending official release)
Quantitative Aptitude › Arithmetic
CISF2023
'A' and 'B' have pocket money in the ratio of 3 : 4. After the day's work, 'A' earned ₹ 600 while 'B' earned ₹ 500. However, 'A' spent ₹ 150 and 'B' spent ₹ 100 during the day. If they have equal amount of money at the end of the day, then the pocket money 'A' had in the morning is :
- A ₹ 150 ✓
- B ₹ 200
- C ₹ 250
- D ₹ 100
✓ Correct answer: (A)
Quantitative Aptitude › Arithmetic
ESE2022
A tank can be filled by 20 buckets each of capacity 13·5 litres. If the capacity of each bucket be 9 litres, how many buckets will fill the same tank ?
- A 30 ✓
- B 25
- C 20
- D 15
✓ Correct answer: (A)
Quantitative Aptitude › Arithmetic
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →