Saved Bookmarks
| 1. |
A can do a piece of work in 30 days. He works at in for 10 days then b alone finished the remaining work in 42 days. In how much time will A and b working together finish work? |
|
Answer» -STEP EXPLANATION:Dndkndkdd;&d7xndjns=sjs=sjjsj#J#jsjjsjsjbzn$jjxjzjzj$ |
|