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Q: A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current  ?

  • 1
    1 kmph
  • 2
    3.2 kmph
  • 3
    1.5 kmph
  • 4
    2 kmph
  • उत्तर देखें
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Answer : 3. "1.5 kmph"
Explanation :

Answer: C) 1.5 kmph Explanation: 72 --- 9 ? ---- 1 => Down Stream = 8 45 ---- 9 ? ---- 1 => Up Stream = 5 Speed od current S = ? S = (8 - 5)/2 = 1.5 kmph.

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