Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Quantitative Aptitude Time and Work Work Efficiency
6 pumps working 12 hours a day empty a tank in 15 days. How many hours a day should 8 pumps work to empty a tank in 9 days?
1
13 hours
2
14 hours
3
15 hours
4
16 hours