JEE Main & Advanced Physics Mathematical Tools, Units & Dimensions Question Bank Units

  • question_answer
    A cube has numerically equal volume and surface area. The volume of such a cube is [CPMT 1971, 74]

    A) 216 units

    B) 1000 units

    C) 2000 units

    D) 3000 units

    Correct Answer: A

    Solution :

    Volume of cube = \[{{a}^{3}}\] Surface area of cube = \[6{{a}^{2}}\] according to problem a3 = 6a2 ? a = 6 \\[V={{a}^{3}}=216\,units\].


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