Saved Bookmarks
| 1. |
A motor cycle covers a distance of 140 m in 18 seconds. Find its speed per hour in kms?1. 32 km/hr2. 24 km/hr3. 18 km/hr4. 28 km/hr |
|
Answer» Correct Answer - Option 4 : 28 km/hr Given: Distance covered = 140 m Time = 18 seconds Formula used: Speed = Distance/Time taken Calculation: Speed = 140/18 m/s ⇒ 70/9 m/s ⇒ (70/9) × (18/5) km/hr ⇒ 28 km/hr ∴ The speed per hour is 28 km/hr |
|