Multiple choice

A cellular phone has the marked price of Rs. 5000. A person buys the phone at Rs. 3600 after receiving two successive discounts. If the first discount is 20%, find the second discount.

  1. 15%

  2. 20%

  3. 10%

  4. 17.5%
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

5000 * (1 - 0.20) * (1 - d) = 3600. 5000 * 0.8 * (1 - d) = 3600. 4000 * (1 - d) = 3600. 1 - d = 0.9. d = 0.1, which is 10%.

AI explanation

The price after the first 20% discount on the marked price of Rs. 5000 is 80% of 5000, which equals Rs. 4000. The second discount brings the price down to Rs. 3600, meaning the discount amount is Rs. 400. Using the discount percentage formula, (400 / 4000) multiplied by 100 gives the second discount rate of 10%.

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