engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
B1, B2 and B3 can do a work in 10, 5 and 7.5 days respectively. All three of them began the work together but B2 left 1.5 days before the completion of the work. In how many days was the work completed?
1
6 days
2
4 days
3
3 days
4
5 days