Train A which is 320 m long can cross a pole in 16 sec. If it halts 5 times each time for exactly 18 min. how many hours it will take to cover a distance of 576 km? (in hours)

  • 8
  • 10 ½
  • 8 ½
  • 9
  • 9 ½
  • Explanation:

    Speed of train = 320/16

    =20 m/sec

    =20×18/5=72 km/h

    ∴ Required time to cover a distance of 576 km

    = 5×18/60+576/72

    =1.5+8

    =9.5 hours

     

Train A which is 320 m long can cross a pole in 16 sec. If it halts 5 times each time for exactly 18
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