The marked price of a shirt is Rs 1280. If the shirt is being sold for Rs 900, then
what is the discount percentage?
Answer: C
Marked price \(= Rs. 1280\)
Selling price \(= Rs. 900\)
⇒ Discount % \(= \frac{1280-900}{1280} \times 100 \)
\(= \frac{380}{12.8} \)
\(= 29.68\)