2022 · Q32
A shopkeeper marks the price of an article at ₹200. After allowing a discount of 10%, he still gains 20% on the cost price. What is the cost price of the article?
Elementary MathematicsProfit and Loss
- A₹170
- B₹160
- C₹150
- D₹120
Explanation
A 10% discount on the marked price of Rs 200 gives a selling price of 200*0.9 = Rs 180. A 20% gain on cost price means SP = 1.2*CP, so CP = 180/1.2 = Rs 150. The shopkeeper thus still earns his margin after the discount. Hence option (c).