Question
Download Solution PDFA man covers a certain distance by a train running at a speed of 40 km/hr and covers the same distance back by walking at a speed of 8 km/hr. If the whole journey took 12 hours, then what is the distance of one side of the journey (in km)?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Speed of the train = 40 km/hr
Speed of the Person (while walking) = 8km/hr
Time taken = 12 hours
Formula used:
Time taken = Distance/Speed
Calculation:
Time taken by the train at a speed of 40 kmph + Time taken by walking at 8 kmph = 12 hours
Let ‘d’ be the distance of one side travel
(d/40) + (d/8) = 12
⇒ (d + 5d)/40 = 12
⇒ d = (40 × 12)/6 = 80 kms
∴ One side distance = 80 kms.
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