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| Q.12 | A car travels at a speed of 40 km/h for 15 minutes and at a speed of 72 km/h for the next 5 minutes. The average speed of the car for the whole journey is: | |
| Ans | 1. 41 km/h | |
| 2. 43 km/h | ||
| 3. 45 km/h | ||
| 4. 48 km/h |
Correct Ans: 4
