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

  • question_answer
    A cost of cultivating a square field at a rate of Rs. 35 per hectare is Rs. 1215. The cost of putting a  fence around it at the rate of 75 paise per metre  would be

    A) Rs. 360

    B) Rs. 810

    C) Rs. 900

    D) Rs. 1800

    Correct Answer: C

    Solution :

    [c] Area of field \[=\frac{1215}{135}=9\]hectare or \[90000\text{ }{{m}^{2}}\] \[\therefore \]Side of field \[=\sqrt{90000}=3000\,m\] Perimeter of field \[=4\times 300\] \[=1200\,\,m\] Now, cost of putting a fence around field \[=1200\times \frac{75}{100}=\text{Rs}.900\]


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