Multiple choice

D sells an item to E at a profit of 18% . E sells the same to F at a profit of 20% F sells it to a customer for Rs. 45135 by earning a profit as 25% . The cost price of D is (in Rs.). D एक वस्तु को E को 18% के लाभ पर बेचता है। E उसी वस्तु को 20% के लाभ पर F को बेचता है थ् इसे एक ग्राहक को 25% लाभ अर्जित करते हुए 45135 रूपये में बेचता है। D का क्रय मूल्य(रू. में)है।

  1. 24000

  2. 25500

  3. 27000

  4. 30500
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B Correct answer
Explanation

Work backwards from the final selling price. F sells at 25% profit for Rs. 45135, so F's cost price = 45135/1.25 = 36108. E sells to F at 20% profit, so E's cost price = 36108/1.20 = 30090. D sells to E at 18% profit, so D's cost price = 30090/1.18 = 25500. Each step divides by (1 + profit%) to reverse the profit calculation.

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