A) 12.5%
B) 14%
C) 15%
D) 12%
E) None of these
Correct Answer: D
Solution :
Let the MP of the pen be 4x. and that of the pencil be 5x. Discounted price of the pen\[=9x\times 0.8=7.2x\] Total discounted price on the pen and the pencil \[=9x\times 0.8=7.2x\] So, the discounted price on the pencil \[=7.2x=2.8x=4.4x\] \[\therefore \] % discount on the pencil\[=\frac{5x-4.4x}{5x}\times 100\] \[=\frac{0.6x}{5x}\times 100=12%\]You need to login to perform this action.
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