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Aquarium Problem #1

Posted by DP on April 17, 2013 – 10:30 am

A 2 foot by 3 foot aquarium is filled with 9 inches of water. A 1 foot metal cube is placed in the corner. How much will the water rise?


This post is under “Logic, MathsChallenge” and has 3 respond so far.
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3 Responds so far- Add one»

  1. 1. Wizard of Oz Said:

    Is the ToM hibernation season finally over?

    Let’s see – volume of water is 2 * 3 * 0.75 = 4.5 cu ft.
    With metal cube in place, area of base is now 5 sq ft.
    So height of water is now 4.5 / 5 feet = 10.8 inches.
    So rise in water level is 1.8 inches.

  2. 2. DP Said:

    “Be the change you want to see in the world” – bumper sticker [not Gandhi]

    I was interested in getting more problems to solve on here, so I figured I would seed the idea with a few quick problems myself.
    I did a quick search on the web and found a similar problem. Tweaked it just a little and added some variations (ass you see in probs #2 and #3).

  3. 3. DP Said:

    But to your solution, Wiz, you are correct. 1.8 inches would be the answer for this question.

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