Multiple choice

A man sold two articles at the same price. He obtained 20% profit on first article and 25% profit on second article. If the cost price of the first article is Rs.100, then find the cost price of the second article. एक आदमी दो वस्तुओं को समान मूल्य पर बेचता है | वह पहली वस्तु पर 20% का लाभ और दूसरी वस्तु पर 25% का लाभ प्राप्त करता है | यदि पहली वस्तु का क्रय मूल्य 100 रु. है, तो दूसरी वस्तु का क्रय मूल्य ज्ञात कीजिये |

  1. Rs./रु.100

  2. Rs./रु.96

  3. Rs./रु.90

  4. Rs./रु.105
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B Correct answer
Explanation

Selling price of first article: 100 × 1.20 = 120. Let CP of second article = x. Selling price: x × 1.25 = 120. Solving: x = 120/1.25 = 96. Equal selling prices mean the 25% profit on the second must give the same final amount as 20% profit on the first.

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