A

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Q. A train travelled at a speed of 35 km/hr for the first 10 minutes and at a speed of 20 km/hr for the next 5 minutes. The average speed of the train for the total 15 minutes is ?

  • (A) 30 km/hr
  • (B) 23 km/hr
  • (C) 31 km/hr
  • (D) 29 km/hr
  • Correct Answer - Option(A)
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