A man went from Kolkata to a certain place witha speed of 45km/hour. It took 4 hours. He returned to Kolkata by the same path. It took 5 hours. What is the speed on his return journey?
(I want the whole sum and solution, not only the answer)
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Step-by-step explanation:
- Speed in Initial Journey (D/t) = 45KM/h
- Distance covered in 4 hrs during the first journey = Spd ×time = 45×4= 180kms
- Speed of return journey = Distance/ Time
= 180/5
=36km/h
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