If 4/5 of cistern is filled in 1 minute , how much time will be required to fill the rest ofit
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Given 4/5 of cistern is filled in 1 min
Hence the empty cistern is filled in 5/4 minutes or 1.25 minutes or 75 seconds
Hence the empty cistern is filled in 5/4 minutes or 1.25 minutes or 75 seconds
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