BANK IBPS RRB PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Work Efficiency
A, B, and C can complete a piece of work individually in 40 days, 80 days, and 10 days, respectively. If they work together, how many days will they take to complete the work?
1
80/7 days
2
120/11 days
3
80/9 days
4
80/11 days
5
120/7 days