Q. A person sells an article at a profit of 20%. If both the cost price and selling price are ₹100 less, the profit would be 25%. Find the original cost price.
✅ Correct Answer: (B)
₹500
Explanation: Let CP = x. Original SP = 1.2x. Given 1.2x - 100 = 1.25(x - 100). Solving gives x = ₹500.
Explanation by: Krishna Sharma
Let CP = x. Original SP = 1.2x. Given 1.2x - 100 = 1.25(x - 100). Solving gives x = ₹500.