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A dealer sells a transistor at …

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A dealer sells a transistor at a gain of 16%if he has sold it for 20rupees more he found hace gained 20%find the cp of transistor 

    • Posted by Shahista Anjum 7 years, 1 month ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Manish Gandhi 7 years, 1 month ago

    Let the CP of Transistor = x/-

    To get 16% Profit, SP should be CP * (100 + Profit%)/ 100 = x * 116/100 = 1.16x/-

    New SP = (1.16x + 20)/- then the Profit% = 20

    Now, Profit% = {(SP - CP) * 100}/ CP => 20 = {(1.16x + 20 - x) * 100}/ x

    20x = (0.16x + 20) * 100

    20x = 16x + 2000 => 4x = 2000 => x = 500/- (Answer)

    0Thank You

    ANSWER
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