state gov Bihar Police Constable (सिपाही) Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
Chetan alone can do a work in 6 days working 5 hours a day. Rashmi alone can do the same work in 2 days working 10 hours a day. How many hours do they need to work together in a day to complete the same work in 4 days?
1
2.5 hours
2
5 hours
3
4 hours
4
3 hours