If the selling price of 12 articles is equal to the cost price of 15 articles, then the profit percentage is :यदि 12 वस्तुओं का विक्रय मूल्य, 15 वस्तुओं के क्रय मूल्य के बराबर हो, तो लाभ प्रतिशत है :

1. A20%
2. B25%
3. C30%
4. D36%

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Correct answer: B. 25%

Explanation

Let the cost of one article be Re 1. Then SP of 12 articles = CP of 15 = Rs 15, so SP of one article = 15/12 = 1.25. Profit = 0.25 on cost 1, so profit % = 25%.माना एक वस्तु का क्रय मूल्य 1 रुपया है। तब 12 वस्तुओं का विक्रय मूल्य = 15 वस्तुओं का क्रय मूल्य = 15 रुपये, अतः एक वस्तु का विक्रय मूल्य = 15/12 = 1.25। लाभ = 0.25, अतः लाभ % = 25%।