Multiple choice

A photographer allows a discount of 10% on the advertised price of a camera. The price (in Rs.) that must be marked on the camera, which costs him Rs. 600, to make a profit of 20% would be

  1. 650

  2. 800

  3. 700

  4. 850
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cost = 600. Profit = 20% of 600 = 120. Selling price = 720. Discount = 10% of marked price (M). Selling price = 0.9M. 0.9M = 720. M = 720 / 0.9 = 800.

AI explanation

To achieve a 20% profit on the cost price of Rs. 600, the target selling price must be 600 multiplied by 1.20, which equals Rs. 720. Let the advertised marked price be M. Since a 10% discount is applied, the selling price is 90% of M, so 0.90M equals 720. Solving for M, we divide 720 by 0.90 to get a marked price of Rs. 800.

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