state gov BSSC Field Assistant Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
Working alone A can do a work in 72 days and B in 90 days. If they work on it together for 10 days, then what fraction of work is left?
1
1 / 4
2
3 / 5
3
1 / 5
4
3 / 4