Question
A man goes to Mumbai from Pune at a speed of 4 km/hr and
returns to Pune at speed of 6 km/hr. What is his average speed of the entire journey?Solution
AverageĀ Speed = 2xy/(x + y) = (2 x 4 x 6)/(4 + 6)
= 48/10 = 4.8 km/hr
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