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A car takes 2 hours to travel from one city to another and 3 hours on the way back. If the distancebetween the cities is 200 km, calculate the average speed of the car. |
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Answer» Speed of car for GOING from the city to ANOTHER = Distance / Time = 200/2 = 100km/hr Speed of car for coming BACK to city = Distance / Time = 200/3 km/hr Average speed = (100 + 200/3) / 2 = 500/3/2 = 500/3*2 = 500/6 = 83.33 km / hr Ans. |
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