A) 20%
B) 35%
C) 37%
D) None of these
Correct Answer: D
Solution :
Marked price of article = Rs. 1600 \[\therefore \]Selling price \[=(100-10)%\]of\[(100-r)%\] of 1600 \[=\frac{90}{100}\times \frac{100-r}{100}\times 1600\] \[\Rightarrow \] \[1224=\frac{9}{10}\times (100-r)\times 16\] (Given) \[\Rightarrow \] \[\frac{1224\times 10}{9\times 16}=(100-r)\] \[\Rightarrow \] \[85=100-r\] \[\Rightarrow \] \[r=100-85\] \[\Rightarrow \] \[r=15%\]You need to login to perform this action.
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