A

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Q. If one pipe A can fill a tank in 20 minutes, then 5 pipes, each of 20% efficiency of A, can fill the tank in:

  • (A) 80 min
  • (B) 100 min
  • (C) 20 min
  • (D) 25 min
  • Correct Answer - Option(C)
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  • Filed under category Math
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