Saved Bookmarks
| 1. |
6 men can do electrical work in a house in 7 day, then in how many days 21 men can do the same work? |
|
Answer» 6 men do work in 7 days1 men do work = 7/6 daythen21 men work same work = 7/6 * 21 = 49/2 = 24.5 days 6 men do in 7 days=42 men*days21 men can do in days=42/21=2 days |
|