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The marked price of a watch was Rs. 720. A man bought the same for Rs. 550.80, after getting two successive discounts, the first 10%. What was the second discount rate ?

Correct answer: C. 15%

  • A. 12%
  • B. 14%
  • C. 15%
  • D. 18%

Explanation

The first 10% discount reduces Rs. 720 to Rs. 720 x 90% = Rs. 648. The second discount factor is Rs. 550.80 ÷ Rs. 648 = 0.85, so the second discount is 1 - 0.85 = 15%. The likely mistaken answer is 25%, which results from adding discounts or comparing the total reduction with the wrong base.

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About Profit and Loss

Profit and loss compare the cost price and selling price of an item, using profit or loss percentages based on the cost price unless stated otherwise. Questions include marked price, discount, successive discounts, commission, and finding an unknown price, with care needed to distinguish discount from loss.

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