एक बेईमान विक्रेतो आपलो माल खर्च दरान विकता असो दावो करता पूण $1$ किलो बदला $950$ g वजन वापरता. ताचो फायदो टक्के कितलो?
A$5\%$
B$5\dfrac{5}{19}\%$
C$5.5\%$
D$10\%$
Answer & Solution
Correct answer: B. $5\dfrac{5}{19}\%$
**तत्त्व.** जेन्ना विक्रेतो CP, $\text{Gain}\% = \dfrac{\text{Error}}{\text{True Value} - \text{Error}} \times 100$ हांगा विकतना वजनाचेर फटोवन घेता. **लागू करात.** त्रुटी $= 1000 - 950 = 50$ g, खरे मोल $= 1000$ g. लाभ $\% = \dfrac{50}{950} \times 100 = \dfrac{100}{19} \approx 5\tfrac{5}{19}\%$. **पर्याय A कित्याक चुकीचो.** $5\%$ ही जाप आसतली जर फायदो *खऱ्या वजनाचेर* आसलो (50/1000). फायदो *तो प्रत्यक्षांत कितें दिता* हाचेर आसता, जें $950$ g — भाजक खरे − चुक, खरे न्हय.
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