**Question**

**The density of aluminium is 2700 kg/m ^{3}. Find the relative density of aluminium Given that the density of water = 10^{3 }kg/m^{3} [Ans. 2.7] **

**Answer**

Density of aluminium = 2700 kg/m^{3}

Density of water = 1000 kg/m^{3}

Relative Density (RD) = 2700\over 1000 = 2.7