SSC_CPO_Similar_09_Dec_2025_S1_Q128

Question:

A dealer bought 50 chairs for Rs. 500 each. He sold 30 chairs at a 15% profit and the remaining at a 5% loss. What is his net profit percentage?

एक डीलर ने 500 रुपये प्रति कुर्सी की दर से 50 कुर्सियाँ खरीदीं। उसने 30 कुर्सियाँ 15% लाभ पर और शेष कुर्सियाँ 5% हानि पर बेचीं। उसका शुद्ध लाभ प्रतिशत क्या है?

Options:

  • a) 7%
  • b) 8%
  • c) 10%
  • d) 5%
  • a) 7%
  • b) 8%
  • c) 10%
  • d) 5%

correct answer : a)

Explanation:

Using the weighted average method (independent of actual price):
Total chairs = 50
Chairs at 15% profit = 30 (Weight = 30/50 = 3/5)
Chairs at 5% loss = 20 (Weight = 20/50 = 2/5)
Net Profit% = [30 * 15 + 20 * (-5)] / 50 = (450 – 100) / 50 = 350 / 50 = 7%.

भारित औसत विधि का उपयोग करने पर (यह वास्तविक मूल्य से स्वतंत्र है):
कुल कुर्सियाँ = 50
15% लाभ पर कुर्सियाँ = 30 (भार = 30/50 = 3/5)
5% हानि पर कुर्सियाँ = 20 (भार = 20/50 = 2/5)
शुद्ध लाभ% = [30 * 15 + 20 * (-5)] / 50 = (450 – 100) / 50 = 350 / 50 = 7%.

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