Multiple Choice Questions on The price of petrol was raised by 15 By how much percentage should a motorist reduce the consumption........... for SSC (CPO) Exam Preparation

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Multiple Choice Questions

The price of petrol was raised by 15 By how much percentage should a motorist reduce the consumption...........

Quantitative Aptitude (CPO) Profit and loss
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    The price of petrol was raised by 15%. By how much percentage should a motorist reduce the consumption of petrol so that the

    expenditure on it does not increase?

    This questions was previously asked in
    SSC CPO 15th-March-2019-Shift-1
    View All SSCCPO Previous Year Papers

    9\frac{2}{11}%     

    Incorrect Answer

    15\frac{3}{13}%

    Incorrect Answer

    15\frac{1}{23}%

    Correct Answer

    6\frac{7}{8}%

    Incorrect Answer
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    Explanation:

    Let ,the initial price of petrol was
    = 100.
    After increase,price of petrol
    = 100 + 100 × 15/100 = 115.
    so,reduction in consumption would be
    = ((115 − 100)/115) × 100
    = (15/115) × 100.
    = 300/23
    So,Option C is correct.

    By: santosh
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