A) \[11\frac{1}{9}%\]
B) \[13\frac{1}{2}%\]
C) \[87\frac{1}{2}%\]
D) \[88\frac{1}{9}%\]
Correct Answer: A
Solution :
Required per cent \[=\frac{R\times 100}{100\pm R}\] \[\therefore \] Required per cent \[=\frac{12.5\times 100}{100+12.5}=\frac{1250}{112.5}=11\frac{1}{9}%\]You need to login to perform this action.
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