List of top Physics Questions on Density and Pressure asked in AP EAPCET

Equal masses of two substances of densities _1 and _2 are mixed. Density of mixture is:
The density of a substance is 4 g/cc. In a system in which the unit of length is 5 cm and the unit of mass is 20 g, the density of the substance is:
The change in density of mercury when it is heated from 10 °C to 60 °C. (The coefficient of volume expansion of mercury is \(18.2 \times 10^{-5} \, \text{K}^{-1}\))