A) 18
B) 20
C) 22
D) 25
Correct Answer: B
Solution :
Let the CP of the article be Rs x and its SP be Rs. y \[\therefore \] \[\frac{x-y}{y}\times 100=25\] \[\Rightarrow \] \[\frac{x-y}{y}=\frac{1}{4}\] \[\Rightarrow \] \[4x-4y-y\] \[\Rightarrow \] \[4x=5y\] \[\therefore \] \[y=\frac{4}{5}x\] In second case, Loss per cent \[=\frac{x-\frac{4}{5}x\times 100}{x}\times 100=\frac{1}{5}\times 100=20\]You need to login to perform this action.
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