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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-33

  • question_answer
    The minimum number of colours required to paint all the sides of a cube so that two adjacent faces may have the same colour, is

    A)  6                    

    B)  4     

    C)  3                    

    D)  2

    Correct Answer: C

    Solution :

    A cube had six sides and two adjacent sides can be painted in same colour. So,                   \[\frac{6}{2}=3\] Hence, required colour = 3


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