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#29481 Bangla Language & Literature Statistics and Average Level 0

A car travles 180 km from A to B at 60 kilometers/hour and returns from B to A along the same route at 90 kilometers/hour. The average speed in kilometers per hour for the round trip is:

  1. A 180
  2. B 30
  3. C 36
  4. D 72
Answer: D - 72

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