Question : If $14 : 30 :: 7 : x$, then what is the value of $x$?
Option 1: 15
Option 2: 21
Option 3: 9
Option 4: 12
Answer (1)
27th Jan, 2024
Correct Answer: 15
Solution :
$14 : 30 :: 7 : x$
⇒ $\frac{14}{30}=\frac{7}{x}$
⇒ $x = \frac{7\times 30}{14}$
⇒ $x= 15$
Hence, the correct answer is 15.
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