Multiple choice

Difference between sold prices while selling in 25% profit and 20% profit, is Rs.10. What is the cost price of an article? किसी वस्तु के विक्रय मूल्य में , 25% लाभ और 20% लाभ में बेचने में अंतर 10 रु है। वस्तु का क्रय मूल्य क्या है?

  1. Rs.180 रु.180

  2. Rs.187 रु.187

  3. Rs.195 रु.195

  4. Rs.200 रु.200

  5. None of these इनमें से कोई नहीं
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let cost price be CP. Selling price at 25% profit = 1.25 CP. Selling price at 20% profit = 1.20 CP. Difference = 1.25 CP - 1.20 CP = 0.05 CP = Rs. 10. Therefore CP = 10/0.05 = Rs. 200. The 5% difference in profit rates equals Rs. 10.

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