A) 2: 1
B) 1: 2
C) 1: 10
D) 1: 20
Correct Answer: A
Solution :
\[\therefore \] 10% of \[m=20%\text{ of }n\] \[\Rightarrow \] \[\frac{10m}{100}=\frac{20n}{100}\] \[\Rightarrow \] \[\frac{m}{10}=\frac{n}{5}\] \[\Rightarrow \] \[\frac{m}{n}=\frac{2}{1}\] \[\Rightarrow \] \[m:n=2:1\]You need to login to perform this action.
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