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8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    A room \[\sqrt{2}:1\] is to be carpeted by a carpet 2 m wide, the length of carpet required

    A) 12m               

    B) 36m

    C) 24m              

    D) 48m

    Correct Answer: C

    Solution :

    Let the length of carpet be \[l\] m.             \[h=\frac{4\times {{6}^{3}}}{3\times {{(0.2)}^{2}}}=\frac{4\times 6\times 6\times 6}{3\times 0.04}\]             \[=7200cm=72cm\]   


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