A dishonest shopkeeper promises to sell his goods at cost price. However, he uses a weight that actually weighs 19% less than what is written on it. Find his profit percentage.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. .
Let the cost price of 1 Kg of goods be 100.
Actual weight given = 81% of 1 Kg
⇒ 0.81 Kg
Cost price of 0.81 Kg = 0.81 × 100 = 81
Selling price of 0.81 Kg = 100 (sells at the cost price)
Now, profit% = [(100 - 81)/81] × 100
⇒ 100 × 19/81 =