Question : If 40% of $x$ = 25% of 20, then what is the value of $x$?
Option 1: 22.5
Option 2: 12.5
Option 3: 17.5
Option 4: 20
Correct Answer: 12.5
Solution :
Given: 40% of $x$ = 25% of 20
⇒ $\frac{40}{100}\times x=\frac{25}{100}\times20$
⇒ $\frac{2}{5}\times x=5$
⇒ $x=\frac{25}{2}=12.5$
Hence, the correct answer is 12.5.
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