Multiple choice

A photographer allows a discount of 10% on the marked price of a camera. What price must be marked on the camera. Which cost him Rs. 600 to make a profit of 20%? एक फोटोग्राफर एक कैमरे के अंकित मूल्य पर 10% की छूट देता है। 20% का लाभ लेने के लिए कैमरे पर क्या मूल्य अंकित किया जाए जिसकी लागत उसे 600 रूपये आए?

  1. Rs.750 /

  2. Rs. 850

  3. Rs.800

  4. Rs. 700

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cost price = Rs. 600. Desired profit = 20%, so selling price must be 600 * 1.2 = Rs. 720. This selling price is after 10% discount on marked price, so 0.9 * MP = 720, giving MP = 720/0.9 = Rs. 800. Work backwards from selling price to marked price.