Arithmetic Aptitudes › Time and Distance › Question #4697
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QAn express train travelled at an average speed of 100 kilometres per hour, pausing for 3 minutes every 75 kilometres. How long did it take to go 600 kilometres from its starting point?

ID: #4697 Time and Distance 190 views
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#4697Q ID
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Time and DistanceTopic
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  • A 6 hrs 27 min ✔ ✖
  • B 6 hrs 24 min ✔ ✖
  • C 6 hrs 21 min ✔ ✖
  • D 6 hrs 30 min ✔ ✖
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Explanation


Time taken to cover 600 km = distance/speed = 600 km / 100 km/hr = 6 hours
Number of stoppages = distance/stoppage interval - 1 = 600 km / 75 km - 1 = 7
Total time of stoppages = number of stoppages * duration of each stoppage = 7 * 3 minutes = 21 minutes
Total time taken = time taken to cover the distance + total time of stoppages = 6 hours + 21 minutes = 6 hours 21 minutes.
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