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

  • question_answer
    The height of the right pyramid whose area of the base is \[30\,{{m}^{2}}\]and volume is \[500\,{{m}^{3}},\]is [SSC CGL Tier II, 2014]

    A) 50 m

    B) 60 m

    C) 40 m

    D) 20 m

    Correct Answer: A

    Solution :

    [a] Volume of pyramid\[=500\,{{m}^{3}}\] \[\frac{1}{3}\times \] area of base \[\times \] height \[=500;\frac{1}{3}\times 30\times \]height                                                             = 500 \[10\times \]height =500; height \[=\frac{500}{10}=50\,m\]


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