A man rides at the speed of 18 km/hr,but stops for 6 mins,to change horses at the end of every 7th km.The time that he will take to cover a distance of 90 km is?
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ANSWER IS=6 hour 12 min.
because he takes 5 hour to cover a distance of 90 KM.
and 72 min for changing the horse.
because he takes 5 hour to cover a distance of 90 KM.
and 72 min for changing the horse.
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