Teaching AEES PRT (Atomic Energy Education Society) 2022 Test Series Quantitative Aptitude Time and Work Work Efficiency
A completes 20% of a work in 5 days and B completes one-third of the work in 5 days. They began the work together but B leaves after 3 days. The total number of days needed for completion of the work is:
1
18
2
20
3
24
4
30