Multiple choice

A shopkeeper marks the price of an article at Rs.800. Find the cost price if after allowing a discount of 10% he still gains 20% on the cost price. एक दुकानदार एक वस्तु की कीमत को 800 रुपये पर अंकित करता है। क्रय मूल्य ज्ञात कीजिये यदि 10% की छूट की अनुमति देने के बाद भी वह लागत मूल्य पर 20% लाभ प्राप्त करता है।

  1. Rs.533.3

  2. Rs.700

  3. Rs.750

  4. Rs.600
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Marked price is Rs.800. After 10% discount, selling price = 800 × 0.9 = Rs.720. This SP gives 20% profit on CP, so CP × 1.2 = 720. Therefore CP = 720/1.2 = Rs.600. The shopkeeper gains 20% on this cost price.

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