Multiple choice

A mirror is listed at Rs. 1,000. A retailer buys it with two discounts of 20% and 10% each. The retailer incurs an additional cost of 10% of the cost of mirror on wood work for making a dressing table. At what price should he sell the dressing table to make profit of 15%?

  1. Rs. 900

  2. Rs. 910.8

  3. Rs. 800

  4. Rs. 840
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The cost price after two discounts is 1000 * 0.8 * 0.9 = 720. Adding 10% for wood work (72) makes the total cost 792. To get a 15% profit, the selling price must be 792 * 1.15 = 910.8.

AI explanation

Applying the successive discounts of 20% and 10% to the list price of Rs. 1000, the purchase price is 1000 multiplied by 0.8 and then by 0.9, yielding Rs. 720. The additional cost for woodwork is 10% of 720, which is Rs. 72, bringing the total cost to 720 plus 72, or Rs. 792. To achieve a 15% profit, the selling price must be 115% of 792. Calculating 792 multiplied by 1.15 results in Rs. 910.8.

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