Tips & Tricks Given: Selling price of headphones = Rs. 5225 Discount% = 5% Formula used: MP =SP×100/(100–D%) D = MP – SP Here SP is selling price, MP is marked price and D is discount Calculation: MP =SP×100/(100–D%) ⇒ MP =5225×100/(100–5) ⇒ MP =5225×100/95 ⇒ MP = 5500 ∴ Marked price of the headphones is Rs. 5500