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A Dishonest salesman professes to sell his products at a cost price. But he uses false weight and thus gains 300/47%. For a Kg he uses a weight of:1. 940 grams2. 950 grams3. 960 grams4. 970 grams5. 980 grams |
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Answer» Correct Answer - Option 1 : 940 grams Given: profit = 300/47% Formula Used: Profit% = Error weight/Actual weight given by shopkeeper × 100 Calculations: Let error = x gms Then, ⇒ x/(1000 – x) × 100 = 300/47 ⇒ 100x/1000 – x = 300/47 ⇒ 47x = 3 (1000 – x) ⇒ 47x = 3000 – 3x ⇒ 50x = 3000 ⇒ x = 3000/50 ⇒ x = 60 ∴ Weight used = (1000 – 60) = 940 gms. He uses a weight of 940 grams. |
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