A pipe can fill a tank in 30 minutes. Due to two leakages A and B, the fills tank would be drained off in \(1\frac{1}{2}\) hour and \(1\frac{1}{4}\) hour respectively. How long will it take to fill the tank if the pipe, A and B are left open?

A pipe can fill a tank in 30 minutes. Due to two leakages A and B, the

1.	A pipe can fill a tank in 30 minutes. Due to two leakages A and B, the fills tank would be drained off in \(1\frac{1}{2}\) hour and \(1\frac{1}{4}\) hour respectively. How long will it take to fill the tank if the pipe, A and B are left open?
A.	\(1\frac{7}{8}\;hour\)
B.	\(1\frac{1}{3}\;hour\;\)
C.	\(1\frac{4}{5}\;hour\)
D.	\(1\frac{5}{6}\;hour\)
Answer» B. \(1\frac{1}{3}\;hour\;\)

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A pipe can fill a tank in 30 minutes. Due to two leakages A and B, the fills tank would be drained off in \(1\frac{1}{2}\) hour and \(1\frac{1}{4}\) hour respectively. How long will it take to fill the tank if the pipe, A and B are left open?

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