state gov WBPSC Miscellaneous Services Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a piece of work in 18 and 36 days. respectively. They start working together but A leaves after 3 days. How much time will B tale to complete the remaining work?
1
22 days
2
24 days
3
30 days
4
27 days