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    A store marks a washing machine at ₹25,000 and offers a series of two discounts: 10% and then 20% on the reduced price. What is the final price a
    Question

    A store marks a washing machine at ₹25,000 and offers a series of two discounts: 10% and then 20% on the reduced price. What is the final price after both discounts?

    A.

    ₹18,500

    B.

    ₹17,500

    C.

    ₹22,500

    D.

    ₹18,000

    Correct option is D

    Given:

    Marked Price (MP) = ₹25,000

    First discount = 10%

    Second discount = 20%

    Formula Used:

    Final Price = MP ×(1d1100)×(1d2100)\times (1 - \frac{d_1}{100}) \times (1 - \frac{d_2}{100})

    Solution :

    Final Price 

    25000×(10.10)×(10.20) =25000×0.90×0.80 =25000×0.72=18000 25000 \times (1 - 0.10) \times (1 - 0.20) \\ \ \\= 25000 \times 0.90 \times 0.80 \\ \ \\= 25000 \times 0.72 = 18000

    The final price after both discounts = ₹18,000

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