How it travelled across exams
First appearance in each exam — the same idea, reframed.
EPFO 2015 → CISF 2023 → ESE 2025
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
EPFO2025
If five persons take five hours to paint five walls of equal area, how many hours will 7 persons take to paint 7 walls of equal area, provided both the sets of walls are identical ?
- A 8
- B 7
- C 6
- D 5
Answer key not yet available (pending official release)
Quantitative Aptitude › Arithmetic
ESE2025
Three pipes A, B and C can fill a tank in 6 hours. When the tank was empty, all the three pipes were turned on and they worked together for 2 hours, at that instant, pipe C was closed and the pipes A and B continued to work to fill the tank. It took a total of 7 hours from start to fill the tank this way. If pipe C alone is working from the start, the time it takes will be
- A 10 hours
- B 14 hours
- C 30 hours
- D 45 hours
Answer key not yet available (pending official release)
Quantitative Aptitude › Arithmetic
ESE2025
A builder decided to build a farmhouse in 40 days. He employed 100 men in the beginning and 100 more after 35 days and completed the construction in the stipulated time. If he had not employed additional men, how many days behind the schedule the construction would have been finished?
- A 2 days
- B 5 days
- C 10 days
- D 15 days
Answer key not yet available (pending official release)
Quantitative Aptitude › Arithmetic
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