Multiple choice

When a person sold an article, his profit percent is 60% of the selling price. If the cost price is increased by 75% and the selling price remains the same, then find decrement in the profit is what percent of the selling price of the article? जब किसी व्यक्ति ने एक वस्तु बेचा, तो उसका लाभ प्रतिशत विक्रय मूल्य का 60% है। यदि लागत मूल्य में 75% की वृद्धि हुई है और विक्रय मूल्य समान है, तो लाभ % में गिरावट वस्तु के विक्रय मूल्य का कितना प्रतिशत है?

  1. 25 %

  2. 30 %

  3. 40 %

  4. 27.5 %

  5. None of these इनमे से कोई नहीं
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B Correct answer
Explanation

Let CP = c, SP = s. Given profit = 60% of SP, so s - c = 0.6s, giving c = 0.4s. New CP = 1.75c (75% increase). New profit = s - 1.75c = s - 1.75(0.4s) = s - 0.7s = 0.3s. Original profit = 0.6s. Decrement in profit = 0.6s - 0.3s = 0.3s. As percent of SP: 0.3s/s × 100 = 30%.

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