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7th Class Mathematics Visualising Solid Shapes Question Bank Visualising Solid Shapes

  • question_answer
    The following arrangement of cubes is painted blue on all sides. How many square faces are painted blue?

    A)  16                   

    B)       9

    C)  18                     

    D)       12

    Correct Answer: C

    Solution :

     Viewing the visible faces of the arrangement that are painted, we get 18. In other words, 6 common faces of the 4 cubes are hidden. So the number of sides of the cube painted\[=4\times 6-6=24-6=18\].


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