Subject

    Quantitative Aptitude

    Topic

    Percentage

    The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ?

    ক)
    16%
    খ)
    20%
    গ)
    84%
    ঘ)
    72%

    Explanation

    Reduction in consumption = P100+P\frac{\mathbf P}{\mathbf{100}\boldsymbol+\mathbf P} X 100% = 25100+25\frac{\mathbf{25}}{\mathbf{100}\boldsymbol+\mathbf{25}} X 100% = 20%

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