7th Class Mental Ability Related to Competitive Exam Question Bank Cubes and Dices

  • question_answer
    Directions: A cube of 4 cm has been painted on its surfaces in such a way that two opposite surfaces have been painted blue and two adjacent surfaces have been painted red. Two remaining surfaces have been left unpainted. Now the cube is cut into smaller cubes of side 1 cm each.
    How many cubes will have at least colour on its surfaces?

    A) 20        

    B)               8

    C) 24                    

    D)   32

    E) None of these

    Correct Answer: D

    Solution :

    Explanation Option [d] is correct. Thirty two cubes from two opposite surfaces painted blue have at least one surface painted blue.


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