A) \[11\frac{1}{9}%\]
B) \[10%\]
C) \[20%\]
D) \[25%\]
Correct Answer: A
Solution :
The given numbers can be arranged in ascending order as \[\frac{1}{5}<\frac{3}{5}<\frac{7}{5}<\frac{9}{5}\] The greatest number \[=\frac{9}{5};\] The least number \[=\frac{1}{5}\] We have, \[\frac{9}{5}\times \frac{x}{100}=\frac{1}{5}\] \[\Rightarrow \] \[x=\frac{100}{9}=11\frac{1}{9}%\]
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