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Q: A Bus is running at 9/10 of its own speed reached a place in 22 hours. How much time could be saved if the bus would run at its own speed ?

  • 1
    1.5 hrs
  • 2
    1.7 hrs
  • 3
    2.2 hrs
  • 4
    3.5 hrs
  • Show Answer
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Answer : 3. "2.2 hrs"
Explanation :

Answer: C) 2.2 hrs Explanation: Let the original Speed be "s" kmphAnd the usual time be "t" hrsGiven that if the bus is running at 9s/10 kmph the time is 22 hrs=> [9s/10] x 22 = t x s=> 99/5 = t => t = 19.8 hrs   Hence, if bus runs at its own speed, the time saved = 22 - 19.8 = 2.2 hrs.

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