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8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    The ratio of radii of two cylinders is \[6c{{m}^{2}}\]and heights are in the ratio 2:3. The ratio of their volumes is

    A) 1:9                              

    B) 2:9   

    C) 4:9                              

    D) 5:9

    Correct Answer: B

    Solution :

    The radii are x and \[{{d}_{1}}\] and heights be 2y and 3y. The ratio of volumes \[{{d}_{2}}\] \[{{90}^{o}}\]or \[=\frac{1}{2}\left( sum\text{ }of\text{ }parallel\text{ }sides \right)\times height\]


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