A and B can complete a work in 15 days and 10 days respectively. They started doing the was together but after 2 days B had to leave and A alone completed the remaining work. H many days did it took to complete the whole work?
(Time & Work)
Created: 1 year ago |
Updated: 1 year ago
Updated: 1 year ago
(A + B)'s 1 day's work Part . (A + B) 's 2 day's work Part Remaining work= Part Now, part of work is done by A in 1 day
part of work is done by A in= = 10 days Time taken to complete the work = 10+2 = 12 days