Question
A man takes 360 minutes to travel a certain distance by
jeep at a speed of 54 km/h. What should be his speed on foot to cover the same distance in 8 hours?Solution
ATQ,
When distance is constant,
Time ∝ 1/Speed
8 hours = 8 × 60 = 480 minutes
(Speed of jeep) ÷ (Speed on foot) = 480 ÷ 360 = 4:3
Speed on foot = (3/4) × 54 = 40.5 km/h
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