3 pipes have diameters 2 cms, 3 cms and 4 cms. The ratio of water flowing through them is equal to ratio of the square of their diameters.The biggest pipe when open alone, can fill the entire pool in just 126 minutes. When all the pipes are opened together, the pool would be filled in how much time?

3 pipes have diameters 2 cms, 3 cms and 4 cms. The ratio of water flow

1.	3 pipes have diameters 2 cms, 3 cms and 4 cms. The ratio of water flowing through them is equal to ratio of the square of their diameters.The biggest pipe when open alone, can fill the entire pool in just 126 minutes. When all the pipes are opened together, the pool would be filled in how much time?
A.	2016/29 minutes
B.	2111/126 minutes
C.	215/63 minutes
D.	155 minutes
Answer» B. 2111/126 minutes

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