SSC NTA Delhi University Non-Teaching 2021 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A can do a piece of work in 15 days while B alone can do it in 20 days. They worked together for 3 days then A left the work. In how many days will B finish the remaining work?
1
12 days
2
13 days
3
10 days
4
16 days