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    Subject

    Bank Exam

    Topic

    One Bank Ltd. 2012 (Officer)

    What is the volume of a cube whose surface area is 96?

    ক)
    50
    খ)
    64
    গ)
    72
    ঘ)
    86

    Explanation

    ঘনটির surface area = 6 × a² = 96 => a² = 96 ÷ 6 = 16 => a = √16 = 4 ঘনটির আয়তন = a³ = 4 × 4 × 4 = 64

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