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Q: With an average speed of 40 km/hr, a train reaches its destination in time. If it goes with an average speed of 35 km/hr, it is late by 15 minutes. Find the length of the total journey?

  • 1
    70 kms
  • 2
    60 kms
  • 3
    45 kms
  • 4
    30 kms
  • Show Answer
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Answer : 1. "70 kms"
Explanation :

Answer: A) 70 kms Explanation: Let the time taken by train be 't' hrs. Then, 40t = 35t + 1560 40t = 35t + 35/4 t = 7/4 hrs Therefore, Required length of the total journey d = s x t = 40 x 7/4 = 70 kms.

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