Two faucets X and Y can fill a tank in 20 hours and 30 hours respectiv – InterviewSolution

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1.	Two faucets X and Y can fill a tank in 20 hours and 30 hours respectively. If both the faucets are opened together, then find the number of hours in which tank will full.
Answer» Two faucets X and Y can fill a tank in 20 hours and 30 hours respectively. If both the faucets are opened together, then find the number of hours in which tank will full.

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