Question

A can do a job alone in 66 days, B can do it alone in 55

Q: Answer-A can do a job alone in 66 days, B can do it alone in 55 days, while A, B, and C working together ca...

LCM 66, 55, 11 330 Let the total work be the individual time taken by the workers. Now, total work 330 units Efficiencies, A does each day 33066 5 units B does each day 33055 6 units A B C together do each day 33011 30 units Now, C does each day 30-5 6 19 units Time taken by C to complete the job alone. 33019 17.3 days In 17.3 days, C can do the job alone