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Q:

The ratio of the speeds of the two airplanes is 7:15. If the first airplane covers a distance of 1050 km in 3 hours, what is the speed of the second airplane?

  • 1
    675 km/hour
  • 2
    750 km/hour
  • 3
    900 km/hour
  • 4
    720 km/hour
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Answer : 4. "720 km/hour "

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