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The profits for two years are ₹40,000 and ₹60,000, with respective weights of 1 and 3. What is the weighted average profit?दो वर्षों के लाभ क्रमशः ₹40,000 और ₹60,000 हैं तथा उनके भार क्रमशः 1 और 3 हैं। भारित औसत लाभ कितना होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ₹55,000₹55,000
Weighted average profit = \((₹40,000 \times 1 + ₹60,000 \times 3) \div (1+3)\) = ₹2,20,000 ÷ 4 = ₹55,000. Option B is the simple average, which incorrectly gives equal importance to both profits. Exam tip: Multiply each profit by its weight, add the products, and divide by the total weight.भारित औसत लाभ = \((40,000 \times 1 + 60,000 \times 3) \div (1+3)\) = \(2,20,000 \div 4\) = ₹55,000। विकल्प B साधारण औसत है, जिसमें दोनों वर्षों को समान भार दिया जाता है। परीक्षा-युक्ति: भारित औसत में प्रत्येक लाभ को उसके भार से गुणा करके भारों के योग से भाग दें।
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