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    Question

    The market value of a laptop falls by 8% in the first year

    and 15% in the second year. If the value after two years is Rs. 19,320, find the original price.
    A ₹24,700 Correct Answer Incorrect Answer
    B ₹41,656 Correct Answer Incorrect Answer
    C ₹46,600 Correct Answer Incorrect Answer
    D ₹36,656 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Net percentage change = –8% –15% + {[(–8%) × (–15%)]/100}%= –23% + 1.2% = –21.8%

    Let the present value be Rs. ‘x’

    Then, 78.2% of x = 19320

    Or, 0.782 × x = 19320

    Or, x = 19320 / 0.782 = 24700

    So, the original price of the laptop = Rs. 24,700

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