one fourth of a certain Journey is covered at the rate of 25 km /per hour . One third at the rate of 30 km/ per hour and the rest at 50 km /per hour. find the average speed of the whole journey.

Averages

  • Ravi
  • 26 सितम्बर
  • 575 दृश्य
  • 8 उत्तर
Your Answer

1800/53 = 33.96 km/hr

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