homestay management

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Time & Work Questions

  • Numerical Ability - Time & Work
Question

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank ?

  • A)  20 hours
  • B) 25 hours
  • C) 35 hours
  • D) 40 hours
  • E) 30 hours
Solution
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