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. A water tank has an inlet pipe and a drain pipe. A full tank can be emptied in 30 minutes if the drain is opened and an empty tank can be filled in 45 minutes with the inlet pipe opened. If both pipes are accidentally opened when the tank is full, then how long will it take to empty the tank?

Posted by Vandana Kataria 7 years, 3 months ago

CBSE > Class 08 > Mathematics

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Posted by Monika 8B 5 months, 3 weeks ago

CBSE > Class 08 > Mathematics