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SSC Quantitative Aptitude Mensuration Question Bank Mensuration-II (II)

  • question_answer
    If each edge of a cube is increased by 50%, the percentage increase in surface area is

    A) 125

    B) 50

    C) 100

    D) 75

    Correct Answer: A

    Solution :

    [a] Here, \[a=50%\] \[\therefore \]Required percentage increase in surface area \[=\left( 2a+\frac{{{a}^{2}}}{100} \right)%=\left( 100+\frac{2500}{100} \right)%\] \[=125%\]


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