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Q: Flight A usually takes 1 hour more than Flight B to travel a distance of 7200 km. Due to engine trouble speed of flight B falls by a factor of 1/6th, so it takes 36 minutes more than Flight A to complete the same journey. What is the speed of Flight A (in km/hr) ?
  • A. 800
  • B. 900
  • C. 750
  • D. 720
Correct Answer: Option A -
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Explanations:

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