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

  • question_answer
    A well of radius 3.5 m is dug 16 m deep. The earth removed is spread over an area of \[40\,{{m}^{2}}\]to form   platform. Height of the platform is

    A) 1.54 m

    B) 154 m

    C) 7.7 m

    D) 77 m

    Correct Answer: A

    Solution :

    [a] Let the height of platform = h m According to the question, \[400h=\frac{22}{7}\times {{(3.5)}^{2}}\times 16\] \[\Rightarrow \]   \[h=\frac{22\times {{(3.5)}^{2}}\times 16}{7\times 400}\]


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