If the ratio of the rates of diffusion of two gases A and B is 4:1 the ratio of their density is

If the ratio of the rates of diffusion of two gases A and B is 4:1 the ratio of their density is
If the ratio of the rates of diffusion of two gases A and B is 4:1 the ratio of their density is
If the ratio of the rates of diffusion of two gases A and B is 4:1 the ratio of their density is
If the ratio of the rates of diffusion of two gases A and B is 4:1 the ratio of their density is

density