Two solids $A$  and $ B$ float in water. It is observed that $A$  floats with half its volume immersed and $B$  floats with $2/3$  of its volume immersed. Compare the densities of $A$ and $B$

  • A

    $4:3$ 

  • B

    $2:3$

  • C

    $3:4$ 

  • D

    $1:3$

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