Acar
covers a certain distance travelling
at a speed of 60 km / h and returns to the
starting point at a speed to 40km/h. Find
the average speed of the car in the entire
journey.
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Answer:
A man covers a certain distance by car at speed 60 km/hr and returns at speed of 40 km/hr. ... =2×60×4060+40=4800100 = 48 kmph.
so 48kmph is your answer
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