RRB Government Jobs Exams

A cistern is normally filled in 6 hours, but takes 2 hours more to fill itbecause of a leak at its bottom. If the cistern is full, how long will it take forthe leak to empty the cistern

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RRB Other Question

220,330,451,56_ Two pipes A and B are attached to a cistern. Pipe A can fill the cistern in 6hours while pipe B can empty it in 8 hours. When both the pipes are openedtogether, find the time for filling the cistern.