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Math Help - cube

  1. #1
    Newbie
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    Aug 2009
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    cube

    How many rectangular cuboids are required to form a cube with least possible dimensions when the rectangle cuboid is of dimensions 7X6X3?
    A. 14
    B. 42
    C. 126

    my answer is 126(1*1*1) like this is it correct
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  2. #2
    Junior Member
    Joined
    Jul 2009
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    are empty spaces allowed in the cube's interior?

    the cuboid volume is 126, none of the answers gives a total volume that can be express as V=l^3, for l integer.
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  3. #3
    MHF Contributor
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    Hint: 588/42 = 14
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