Saved Bookmarks
| 1. |
1). 60/13 days2). 13/60 days3). 19/25 days4). 25/19 days |
|
Answer» Work done by the MAN in 1 DAY = 1/10 Work done by the FATHER in 1 day = 1/15 Work done by the son in 1 day = 1/20 Work done by them together in 1 day = 1/10 + 1/15 + 1/20 = (6 + 4 + 3) /60 = 13/60 Time taken by them to complete the job = 60/13 DAYS |
|