Question
A bus moves from station M to station N at 52 km/h and
returns at 65 km/h. Calculate the approximate average speed of the bus for the complete journey.Solution
ATQ,
Average speed = (2 × 52 × 65) ÷ (52 + 65) = 6760 ÷ 117 ≈ 57.8 km/h
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