MALTI bought a TV = Rs 8800 FORMULA Used Selling price = (cost price/100 + p%) × 100Calculation ⇒ Let the cost price of TV is x⇒ (x/100) × 110 = 8800 ⇒ x = 8,000∴ The ORIGINAL cost of the TV is Rs 8000Calculation:Let the cost price be Rs. 100GST is 10% and applied on cost price,Cost price after GST,⇒ 100 + 10% of 100⇒ 100 + 10⇒ 110According to the question,⇒ 110 = 8,800⇒ 1 = 8,800/110 = 80Actual cost price is,⇒ 80 × 100⇒ 8,000∴ The original cost of the TV is Rs 8000