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?

Three pipes, A B and C, can fill a cistern in 12, 18 and 24 minutes, r

1.	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?
A.	$$ {23{2 over 3}}$$
B.	$$ {26{5 over 18}}$$
C.	$$ {23{1 over 3}}$$
D.	$$ {26{7 over 18}}$$
Answer» E.

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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?

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