The speed of a car is 30 km in the first hour and 32 km in the second hour. It's average speed is?
- 31 km
- 30 km
- 32 km
- None of these
Explanation
The car travels 30 km in the first hour and 32 km in the second hour, total distance = 30 + 32 = 62 km.
Total time = 2 hours, so average speed = 62 ÷ 2 = 31 km/h.
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