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March 29th, 2017, 07:28 PM  #1 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 2,000 Thanks: 132 Math Focus: Trigonometry  [ASK] Is This Debit Question Solvable?
A water container whose volume is 400 liters has 3 vertical holes. The first hole is located at the height which shows 300 liters. The second hole is located at the height which shows 150 liters. The third hole is parallel to the bottom. If the water in the container is drained by opening the holes one by one from the top to the bottom (second hole isn't opened until the first hole can no longer drain the water, third hole also isn't opened until the first and second holes can no longer drain the water), and the water container is empty in 10 hours, what are the debit (speed of draining water) of each holes? Is there enough info to answer the above question? 
March 29th, 2017, 08:10 PM  #2 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 12,921 Thanks: 883 
You just gave me a headache, Mr.Fly! 100 liters escapes from top hole, 150 from next hole, 150 from last hole. Above takes total of 10 hours. That's all we're given. Average escape speed = 40 liters per hour is only conclusion. 

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