Question : The marked price on a book is INR 1,000. In a book fair, it is available for sale with a discount scheme offering two successive discounts of 12% and 8%. What is the final selling price (in INR) of the book for a customer (rounded off to the nearest integer)?
Option 1: 810
Option 2: 790
Option 3: 825
Option 4: 800
Correct Answer: 810
Solution :
Marked Price on a book = INR 1,000
Successive discounts of 12% and 8%
For two successive discounts Selling price = $\frac{100-\text{Discount}_1\%}{100}× \frac{100-\text{Discount}_2\%}{100}×$ marked price
Selling Price = $\frac{88}{100}$×$\frac{92}{100}$×1,000 = 809.6 $\approx$ INR 810
Hence, the correct answer is 810.
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