BANK IBPS RRB PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Time and Work Work Efficiency
A and B working alone can do a work in 20 days and 15 days respectively. They started the work together but B left after sometime and A finished the remaining work in 6 days. Find after how many days from start B left the work?
1
5 days
2
4 days
3
6 days
4
3 days
5
7 days