Multiple choice

A shopkeeper gives a discount of 37.5% to customer and still gets a profit of 25%. If the shopkeeper gives a discount of only 20%, what profit percent he will get? एक दुकानदार ग्राहक को 37.5% की छूट देने के पश्चात् भी 25% का लाभ कमाता है। यदि वह ग्राहक को केवल 20% की छूट दे तो उसका लाभ प्रतिशत क्या होगा ?

  1. 50%

  2. 60%

  3. 37.5%

  4. 40%

  5. None of these इनमें से कोई नहीं
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let marked price be 100. After 37.5% discount, SP=62.5 which gives 25% profit, so CP=62.5÷1.25=50. At 20% discount, SP=80, giving profit of (80-50)÷50=0.60=60%. Option A (50%) incorrectly assumes linear discount-profit relationship.

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