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Ram goes from point a to b by auto at a speed of 20 km/hr and comes back from b to a in acab at a speed of 80km/hr .find his average speed
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Answer:
32km/hr
Explanation:
speed is 20km/hr n 80km/hr....distance is same so formula will be 2xy/x+y
2 × 20 × 80=3200÷100
=32km/hr,,
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