| Q.28 | A car travels first 240 km at 50 km/h, next 90 km at 60 km/h and next 296 km at 80 km/h. What is its average speed (in km/h) for the whole journey? | |
| Ans | 1. 55.8 | |
| 2. 58.4 | ||
| 3. 63.2 | ||
| 4. 62.6 |
Correct Ans: 4
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