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alec
PUZZLE :: How long will the leak take to empty the cistern? View All
There is a leak in the bottom of a cistern. When the cistern is thoroughly repaired, it would be filled in 3 ½ hours. It now takes half an hour longer. If the cistern is full, how long will the leak take to empty the cistern?

8 months ago - 4 months left to answer. - 12 responses - Report Abuse
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