Subject

    Quantitative Aptitude

    Topic

    Profit & Loss

    The market price of a watch was Rs. 720. A man brought the same for Rs.550.80 after getting two successive discounts the first being 10 %. What was the second discount rate?

    ক)
    12%
    খ)
    14%
    গ)
    15%
    ঘ)
    18%

    Explanation

    Let the second discount rate be x% Then, (100 – x)% of 90% of 720 = 550.80 => (100 – x)/100 x 90/100 x 720 = 550.80 = (100-x) = [55080/(9 x 72) = 85 => x= 15 second discount rate =15%

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