Pipes and Cisterns Problems Practice Question and Answer

Q:

Three pipes, A B and C, can fill a cistern in 12, 18 and 24 minutes, respectively. If all the pipes are opened together for 7 minutes, what will be the volume of the water that overflows as the percentage of the total volume of the cistern?

1224 0

  • 1
    $$ {23{2\over 3}}$$
    Correct
    Wrong
  • 2
    $$ {26{5\over 18}}$$
    Correct
    Wrong
  • 3
    $$ {23{1\over 3}}$$
    Correct
    Wrong
  • 4
    $$ {26{7\over 18}}$$
    Correct
    Wrong
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Answer : 4. "$$ {26{7\over 18}}$$"

Q:

A tap can fill the tank in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously, the time (in hours) to fill the tank is__.

1201 0

  • 1
    18 hours
    Correct
    Wrong
  • 2
    16 hours
    Correct
    Wrong
  • 3
    8 hours
    Correct
    Wrong
  • 4
    10 hours
    Correct
    Wrong
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  • Workspace

Answer : 2. "16 hours"

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