engineering recuitment HPCL Junior Executive 2025 Mock Test Quantitative Aptitude Time and Work Work Efficiency
Rahul alone can complete a work in 10 days and Sonu alone can complete the same work in 15 days. If they work together for 4 days, then what part of total work is left?
1
2/3
2
1/5
3
1/3
4
2/5