Question : If $2 : x :: 4 : 28$, then find the value of $x$.
Option 1: 15
Option 2: 12
Option 3: 13
Option 4: 14
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Correct Answer: 14
Solution : Given: $2:x::4:28$ $\Rightarrow \frac{2}{x}=\frac{4}{28}$ $\Rightarrow x=\frac{2\times 28}{4}$ $\therefore x=14$ Hence, the correct answer is 14.
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