Question : If $3: x:: 12: 20$, then what is the value of $x$?
Option 1: 10
Option 2: 6
Option 3: 8
Option 4: 5
Answer (1)
17th Jan, 2024
Correct Answer: 5
Solution :
Given: $3: x:: 12: 20$
⇒ $\frac{3}{x}=\frac{12}{20}$
⇒ $x=\frac{3\times 20}{12}$
$\therefore x=5$
Hence, the correct answer is 5.
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