NTSE Sample Paper NTSE MAT Practice Test-18

  • question_answer
    Directions for Questions - A solid cube has been painted yellow, blue and black on pairs of opposite faces. The cube is then cut into 36 smaller cubes such that 32 cubes are of same size while 4 others are of bigger size. Also no face of any of the bigger cubes is painted blue. Give the correct answer by choosing correct alternative.
    How many cubes have at least one face painted blue?

    A) Zero          

    B) 8

    C) 16             

    D) 32

    Correct Answer: D

    Solution :

    All the 16 cubes in the first layer and all the 16 cubes in the third layer have at least once face painted blue. Thus there are 32 cubes.


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