By selling an article for Rs. 40, there is loss of 40%. By selling it for Rs. 80 there is
By selling an article for Rs. 40, there is loss of 40%. By selling it for Rs. 80 there is
AGain of 20%
BLoss of 10%
CLoss of 20%
DGain of 10%
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Answer is Gain of 20%
Explanation:
Loss = 40%
SP (selling price) = Rs. 40
Calculating Cost price from Selling Price:
$$\frac{SP}{100 - Loss}\text{%} = CP$$
\(\therefore CP = \frac{40}{60}\times100 = \text{Rs. }\frac{200}{3}\)
\(\text{When SP = Rs. 80}\)
\(Profit = 80 - \frac{200}{3} = \text{Rs.}\frac{40}{3}\)
\(\therefore \text{Gain %}= \frac{\frac{40}{3}}{\frac{200}{3}}\times100= \text{20 %}\)
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