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CompetitiveQuantitative AptitudePipes and CisternPipes and Cistern
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$A$ water tank has three taps $A, B, C$. Tap $A$,when opened,can fill the water tank alone in $4$ hours. Tap $B$,when opened,can fill the water tank alone in $6$ hours,and tap $C$,when opened,can empty the water tank alone in $3$ hours. If taps $A, B,$ and $C$ are opened simultaneously,how long (in hours) will it take to fill the tank completely?

  • A
    $10$
  • B
    $8$
  • C
    $18$
  • D
    $12$
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Pipes and Cistern

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Pipes and Cistern

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