A car goes from A to B with a speed of 60 km/h and returns with a speed of 100 km/h. Find average speed.
The question is twisted.
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Answer:
Explanation:
Average speed=Total Distance/Total time
=AB+AB/(AB/60km/h+AB/100km/h)
=2AB/(8*AB/300km/h)
=300km/h÷4
=75km/h
Note that AB is distance travelled from A to B
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