two-pipes-running
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Two pipes running together can fill a tank in 100/9 minutes. if one pipe takes 5 minutes |
|
1 | 1230 | June 19, 2019 |
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Two pipes running together can fill a tank in 100/9 minutes. if one pipe takes 5 minutes |
|
1 | 1230 | June 19, 2019 |