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

  • question_answer
    The cost of carpeting a room15 m long with a   Carpet 75 cm wide at 90 paise/m is Rs. 108. The breadth of the room is

    A) 6 m

    B) 8 m

    C) 9 m

    D) 12 m

    Correct Answer: A

    Solution :

    [a] Length of the carpet \[=\left( \frac{10800}{90} \right)=120\,m\] Area of the room = Area of the carpet \[=\left( 120\times \frac{75}{100} \right)=90\,{{m}^{2}}\] Breadth of the room \[\text{=}\frac{\text{Area}}{\text{length}}\text{=}\frac{\text{90}}{\text{15}}=6\,cm\]


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