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Q: The total distance of a journey is 800 km. If a car covers the first 320 km at a speed of 64 km/h, what should be the speed for the next 480 km so that the average speed becomes 80 km/h?
  • A. 86 km/hr
  • B. 96 km/hr
  • C. 69 km/hr
  • D. 89 km/hr
Correct Answer: Option B -
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Explanations:

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