railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work Work Efficiency
A and B together can do a piece of work in 20 days, and B and C together can do the same work in 100 days. If B alone can do the same work in 140 days, then in how many days will A and C together can complete the same work?
1
125/8 days
2
175/8 days
3
111/3 days
4
145/6 days