Multiple choice

A sells a computer to B at a profit of 12% and B sells it to C at a profit of 25%, if C purchase it for Rs. 5040. What is the cost price of that computer for A? A ने एक कम्प्यूटर B को 12% लाभ पर तथा B ने इसे C को 25% लाभ पर बेचा यदि C ने इसे रू 5040 में खरीदा है। तो A के लिए इस कम्प्यूटर का लागत मूल्य क्या है?

  1. Rs. / रू. 4500

  2. Rs. / रू. 3600

  3. Rs. / रू. 3200

  4. Rs. / रू. 3000
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let A's cost price be x. A sells to B at 12% profit, so B pays x(1.12). B sells to C at 25% profit, so C pays x(1.12)(1.25) = x(1.4) = Rs. 5040. Therefore x = 5040/1.4 = Rs. 3600. We can work backwards: C's price (5040) divided by 1.25 gives B's price (4032), and 4032 divided by 1.12 gives A's cost price (3600), making option B correct.

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