engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. The number of days, in which B alone can finish the work is
1
54
2
60
3
50
4
48