Question
A person travels a distance of 60 km, some distance he
travels by bus and rest of the journey by walking, then he takes 4 hours and 20 minutes. If he had taken bus for the whole journey, then he would have saved 1 hr 20 minutes. Calculate the speed of bus?Solution
Total distance = 60 km When he travels some distance by bus & some by walking, he takes = 4hr 20 Min But if he travels Whole journey by the Bus, he saves 1hr 20 min means 4hr 20 min - 1hr 20min Speed = Distance/ Time = 60/3 = 20 km/hr.
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