A man rides at the rate of 18kmph, but stops 6min at the end of every 7km. Find the time he takes to cover a distance of 90km.
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Answer:
Total steps taken by the man to cover a distance of 90 km is
907=12steps+6km
∴Time taken in 12 stops
= 12×6 min.
= 72 min {1 hour 12 min}
Time taken by the man to cover 90 km with 18 km/hr without 90 steps = 9018 = 5 hours
∴Total time to cover total distance
= 5hours+1hour12min
= 6 hour. 12 min.
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