Multiple choice

A shopkeeper gives two successive discounts of 20% and 10% on the marked price of a music system. What are the selling price and discount on the music system if the marked price is Rs. 800?

  1. SP = Rs. 676, Discount = Rs. 224

  2. SP = Rs. 576, Discount = Rs. 244

  3. SP = Rs. 576, Discount = Rs. 222

  4. SP = Rs. 576, Discount = Rs. 224

  5. SP = Rs. 675, Discount = Rs. 224
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

First discount 20% of 800 = 160. Price = 640. Second discount 10% of 640 = 64. Selling price = 640 - 64 = 576. Total discount = 160 + 64 = 224.

AI explanation

Applying the successive discount formula, the selling price is 800 times 80 divided by 100 times 90 divided by 100, which equals Rs. 576. The total discount amount is the marked price minus the selling price, calculated as 800 minus 576, resulting in Rs. 224. The selling price is Rs. 576 and the discount is Rs. 224.

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