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Q: Two cars start from the same place at the same time at right angles to each other. Their speeds are 54 km/hr and 72 km/hr, respectively. After 20 seconds the distance between them will be:
  • A. 500 m
  • B. 720 m
  • C. 540 m
  • D. 480 m
Correct Answer: Option A -
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Explanations:

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