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10th Class Mental Ability Cube and Dice Question Bank Cubes and Dice

  • question_answer
    Directions: A cube is painted red on two adjacent faces and black on the faces opposite to the red faces and green on the remaining faces. It is now cut into sixty-four smaller cubes of equal size.
    How many cubes have only one face painted red?

    A)  8                            

    B)         12

    C)  16                         

    D)         24

    Correct Answer: D

    Solution :

    There are two faces painted red. The number of the cubes painted red on one face \[\text{2}\times \text{4}\times \text{4}-\text{1}\times \text{2}\times \text{4}=\text{32}-\text{8}=\text{24}\] .


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