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8th Class Mental Ability Related to Competitive Exam Question Bank Cubes and Dice

  • question_answer
    Direction: The following questions are based on the information given below:
    [a] All the faces of a cube with edge 4 cm are painted. [b] The cube is then cut into equal small cubes each of edge 1 cm. How many small cubes are there whose three faces are painted?

    A)  4                                

    B)  8               

    C)  16                               

    D)  24

    Correct Answer: B

    Solution :

     Only 8 corners of cubes having 3 faces painted,


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