The mass of an empty 40 litre petrol tank of a vehicle is 8.0 kg What will be its mass when filled completely with a fuel of density `700(kg)/(m^3)`.

The mass of an empty bucket of capacity 10 litres is 1 kg. Find its mass when completely filled with a liquid of relative density 0.8.

The mass of a density bottle is 25 g when empty, 50 g when filled completely with water and 365 g when filled completely with mercury. Find the density of mercury.

A solid of density 5000 (kg)/(m^3) weghs 0.5 kg f in air. It is completely immersed in water of density 1000 (kg)/(m^3) . (a) Calculate the apparent weight of the solid in water. (b) what will be its apparent weight if water is replaced by a liquid of density 8000 (kg)/(m^3) ?

The mass of a body is 4.35 kg and its volume is 2.1m^(3) . What is its density?