Three different liquids are added to a tall beaker. They do not mix with one another. Their densities are shown in the table. P: $1.8\,\text{g/cm}^3$, Q: $2.4\,\text{g/cm}^3$, R: $1.2\,\text{g/cm}^3$. Which is the correct arrangement of the liquids from the top of the beaker to the bottom?
- AP → Q → R
- BQ → P → R
- CQ → R → P
- DR → P → Q