A) \[20%\]
B) \[25%\]
C) \[14\frac{2}{7}%\]
D) \[36%\]
Correct Answer: D
Solution :
Let the number is x Error \[=\frac{5x}{4}-\frac{4x}{5}=\frac{25x-16x}{20}=\frac{9x}{20}\] \[\therefore \] % error \[=\frac{\frac{9x}{20}\times 100}{\frac{5x}{4}}=\underline{\mathbf{36%}}\]You need to login to perform this action.
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