Two bodies are in equilibrium when suspended in water from the arms of a balance. The mass of one body is $36 g $ and its density is $9 g / cm^3$. If the mass of the other is $48 g$, its density in $g / cm^3$ is

  • A

    $\frac{4}{3}$

  • B

    $\frac{3}{2}$

  • C

    $3$

  • D

    $5$

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