The table below shows the dimensions of two colored cubes.

Dimensions of Cubes
Cube Side (cm) Mass (g)
Red 4 12
Green 3 10

Which cube is denser?
Red, because it has more volume and more amount of matter.
Green, because it has less volume and less amount of matter.
Red, because it has less volume and more amount of matter.
Green, because it has less volume and more amount of matter.

1 answer

density = mass/volume
so compare
12/4^3 and 10/3^3

None of the choices is the real reason. But #2 is the closest.
It is green because 10/27 > 12/64

But red would have been denser for a side of of 3.9, and green would still have had less volume and less matter.