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    The marked price of a bed is ₹517, which is 30% above the cost price. If the profit percent is 2%. Find the discount percentage. (rounded off to
    Question

    The marked price of a bed is ₹517, which is 30% above the cost price. If the profit percent is 2%. Find the discount percentage. (rounded off to two decimal places)​

    A.

    18.57%

    B.

    24.06%

    C.

    20.36%

    D.

    21.54%

    Correct option is D

    ​Given:

    Marked Price (MP) = ₹517

    MP is 30% above the Cost Price (CP)

    Profit Percentage = 2%

    Formula Used:

    Discount Percentage = MPSPMP×100\frac{\text{MP} - \text{SP}}{\text{MP}} \times 100​​

    Solution: 

    Marked Price (MP) is 30% above the Cost Price (CP):

    517=1.3×CP517 = 1.3 \times \text{CP}​​

    CP = 5171.3397.6923 \frac{517}{1.3} \approx 397.6923​​

    Selling Price (SP) is based on the Cost Price and Profit Percentage:

    SP = 1.02×397.6923405.64611.02 \times 397.6923 \approx 405.6461​​

    Discount = 517405.6461111.3539517 - 405.6461 \approx 111.3539​​

    Discount Percentage = 111.3539517×10021.54% \frac{111.3539}{517} \times 100 \approx 21.54\% 

    Alternate Solution: 

    Let CP be 100 

    then MP = 100×130100=130100 \times \frac{130}{100} = 130  

    Profit is 2% , so SP,

    =100×102100=102=100\times\frac{102}{100} = 102 

    Discount % = 130102130×10021.54%\frac{130 - 102}{130}\times 100 \approx 21.54\%​​

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