MCQ
Find $x$ if $x : 3$ $= 80 : 120.$
  • A
    $1$
  • $2$
  • C
    $5$
  • D
    $4$

Answer

Correct option: B.
$2$
We have
$x : 3 = 80 : 120$
$\Rightarrow\frac{\text{x}}{3}=\frac{80}{120}$
$\Rightarrow\text{x}=\frac{80\times3}{120}$
$\therefore\text{x}=2$

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