Multiple choice

By selling a pen at a profit of 60% a man got Rs 38 more than one third of its cost price. What is the cost price of pen? 60% के लाभ पर एक कलम बेचकर एक आदमी को अपनी लागत मूल्य के एक तिहाई से 38 रुपये अधिक मिला। कलम की लागत मूल्य क्या है ?

  1. Rs. 30

  2. Rs. 45

  3. Rs. 60

  4. Rs. 70

  5. none of these इनमे से कोई नही
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A Correct answer
Explanation

Let cost price be Rs. x. Selling at 60% profit gives SP = 1.6x. This equals x/3 + 38. Setting up: 1.6x = x/3 + 38, which gives 1.6x - 0.33x = 38, so 1.27x = 38, giving x = 38/1.27 = 30. The cost price is Rs. 30. Verification: 60% of 30 = 18, SP = 48. One-third of 30 = 10, and 48 - 10 = 38. Correct.

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