DRDO Multi tasking staff Model paper 6

950 grams = Rs. 100
⇒ 1 kg = 1000 grams = 100/950 × 1000 = 105.26
⇒ Selling Price = Rs. 105.26
⇒ Cost price = Rs. 100
⇒ Profit% = [(SP – CP)/CP] × 100
⇒ Profit% = 5.26/100 × 100
∴ His profit is 5.26%