Multiple Choice Questions on When the price of fans was reduced by 20 the number of fans sold increased by 40 What was the effect........... for SSC CGL Exam Preparation

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Quantitative Aptitude (CGL)

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    When the price of fans was reduced by 20%, the number of fans sold increased by 40%. What was the effect on the sale ?

    12% increase

    Correct Answer

    12% decrease

    Incorrect Answer

    30% increase

    Incorrect Answer

    40% increase

    Incorrect Answer
    Explanation:

    Where we talk about P*Q = R form, there the net change

    can be given by (A + B + AB/100)%

    = [- 20 + 40 + (- 20)(40)/100]% = (20 - 8) = 12%

    Since it is a positive value, that means the sale will be increased by 12%. 


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