Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
A building may be repaired in 15 days by 27 individuals working 4 hours every day. How many days will it take 20 employees working nine hours per day to do the task?
1
3 days
2
9 days
3
10 days
4
15 days