A shopkeeper professes to sell his goods on cost price but uses 750 gm instead of 1 kg. What is his gain in percentage?एक दुकानदार यह प्रदर्शित करता है कि वह अपना सामान लागत-मूल्य पर ही बेचता है, लेकिन वह एक किलो वजन के स्थान पर 750 ग्राम ही तौलता है। उसका लाभ-प्रतिशत क्या है?
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Correct answer: D. 33.33
Explanation
Gain % = (error ÷ true value actually given) × 100 = (1000 − 750) ÷ 750 × 100 = 250/750 × 100 = 33⅓ % = 33.33 %. The customer pays for 1000 gm but receives only 750 gm, so the shopkeeper's profit is calculated on the 750 gm he actually parts with.लाभ % = (त्रुटि ÷ वास्तव में दी गई मात्रा) × 100 = (1000 − 750) ÷ 750 × 100 = 250/750 × 100 = 33⅓ % = 33.33 %। ग्राहक 1000 ग्राम का मूल्य चुकाता है किंतु उसे केवल 750 ग्राम मिलता है, अतः दुकानदार का लाभ उन्हीं 750 ग्राम पर गिना जाता है जो वह वास्तव में देता है।More Mathematical Reasoning and Aptitude questions
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