Question : A computer marked at Rs. 18,000 was sold at Rs. 15,840. The percentage of discount is:
Option 1: 13.6%
Option 2: 21.60%
Option 3: 12%
Option 4: 21%
Correct Answer: 12%
Solution :
A computer marked at Rs. 18,000.
Its selling price = Rs. 15,840
$\therefore$ Discount percentage
= $\frac{\text{Marked price – Selling price}}{\text{Marked price}}×100$
= $\frac{18000-15840}{18000}×100$
= $\frac{2160}{18000}×100$
= $12\%$
Hence, the correct answer is 12%.
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