Q. A book was marked at ₹500 and sold for ₹450. If the shopkeeper allowed a discount of 10%, find the profit or loss percentage if CP = ₹400.
✅ Correct Answer: (B)
Profit 12.5%
Explanation: Profit = SP – CP = 450 – 400 = ₹50. Profit% = (50 / 400) × 100 = 12.5%.
Explanation by: Yami Thakur
Profit = SP – CP = 450 – 400 = ₹50. Profit% = (50 / 400) × 100 = 12.5%.