A) 30%
B) 33%
C) 40%
D) 27%
Correct Answer: A
Solution :
[a] Solving this type of question by short cut. Net profit% = \[x+y+\frac{xy}{100}\] \[17%=-\,10+y+\frac{(-\,10)\times y}{100}\] \[[\therefore '-'for\,\,discount]\] \[27=y-\,\frac{y}{10}\Rightarrow 27=\frac{10y-\,y}{10}\] \[27\times 10=9y\] \[x+y=100\] .Hence, He must mark his goods 30% higher than their- cost price.You need to login to perform this action.
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