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The marked price of a fan is ₹620. Due to off season, a discount of 15% is allowed. The selling price of the fan is:
₹547
₹527
₹537
₹427
₹527
Calculate 10% of 620 (which is 62) and 5% (half of 10%, which is 31). The total discount is 62 + 31 = 93. Subtract 93 from 620 to get the selling price.
Marked Price (MP) = ₹620, Discount percentage = 15%
SP=MP×(1−100Discount%)
Calculate 10% of 620 (which is 62) and 5% (half of 10%, which is 31). The total discount is 62 + 31 = 93. Subtract 93 from 620 to get the selling price.
Confusing marked price with the final price or failing to subtract the calculated discount amount from the original price.
Identify Given Values
The marked price of the fan is given as MP=₹620 and the discount rate is 15%.
MP=620,D=15%
Calculate Discount Amount
To find the discount amount, multiply the marked price by the discount percentage: Discount=620×10015.
Discount=620×0.15=93
Calculate Selling Price
Subtract the discount from the marked price to obtain the selling price: SP=MP−Discount.
SP=620−93=527
B is correct because the selling price is calculated as ₹620 minus a 15% discount (₹93), which equals ₹527.
This concept is foundational for Profit & Loss problems where SP is often used to find Cost Price (CP) using the formula CP=SP/(1+Profit%/100).
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