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| Q.21 | A car covers a certain distance travelling at a speed of 60 km/h and returns to the starting point at a speed of 40 km/h. The average speed of the car for the entire journey is: | |
| Ans | 1. 120 km/h | |
| 2. 48 km/h | ||
| 3. 50 km/h | ||
| 4. 20 km/h |
Correct Ans Provided: 2
