Saved Bookmarks
| 1. |
A 120m long train is moving in a direction with speed 20m/s. A train 'B' moving with 30m/s in the opposite direction and 130m long crosses the first train in a time? (a) 36 s (b) 30 s (c) 6 s (d) 5 s Which option is correct and how? |
| Answer» A 120m long train is moving in a direction with speed 20m/s. A train 'B' moving with 30m/s in the opposite direction and 130m long crosses the first train in a time? (a) 36 s (b) 30 s (c) 6 s (d) 5 s Which option is correct and how? | |