MCQ
Mark the correct alternative in the following:
If $a = 2b$, then $a : b =$
  • $2 : 1$
  • B
    $1 : 2$
  • C
    $3 : 4$
  • D
    $4 : 3$

Answer

Correct option: A.
$2 : 1$
$a = 2b$
$\Rightarrow\frac{\text{a}}{\text{b}}=\frac{2}{1}$
$\Rightarrow\text{a}:\text{b}=2:1$
Hence, the correct option is $(a)$.

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