A) Increased by 10%
B) increased by 5.3%
C) Decreased by 3%
D) decreased by 5.3%
Correct Answer: B
Solution :
Let the price of an article\[=Rs.\,x\] then new price of an article after 30% increase \[=Rs.\frac{130x}{100}=Rs.\frac{13x}{10}\] Price of an article after 10% discount \[=Rs.\frac{13x}{10}\times \frac{90}{100}\] Now the price of an article after second 10% Discount\[=Rs.\frac{117x\times 90}{1000}\] \[=Rs.\frac{1053x}{1000}\] Net change \[=\frac{1053x}{1000}-x=\frac{53x}{1000}\] Percentage change \[=\frac{\frac{53x}{1000}}{x}\times 100%=5.3%\]You need to login to perform this action.
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