A) 18%
B) 20%
C) 28%
D) 15%
E) 10%
Correct Answer: D
Solution :
Let MP of laptop = 100 \[\therefore \] MP of Mobile phone = 200 Discounted price of laptop = 100 - 30 = 70 Let discounted price of mobile phone be x. \[70+x=\frac{80}{100}(100+200)\] \[\therefore \] Reqd % discount on mobile phone \[=\frac{200-170}{200}\times 100=\frac{30}{200}\times 100=15%\]You need to login to perform this action.
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