- 07/02/2019 at 11:37 am #1288156EduGorillaKeymasterSelect Question Language :
Three pipes x, y and z can fill a water tanker in 20, 25 and 30 minutes respectively. All the three pipes are opened to fill the tanker and if the pipe y is closed 2 minutes before the water tanker gets filled, then in how much time will the tank get filled?
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