Density of Metal: 210g/180g/120g

[Prasad Nemade]

a sample of metal weighs 210 g in air, 180 g in water and 120 g in an unknown liquid. then the density of metal is.

 

[gneill]

a sample of metal weighs 210 g in air, 180 g in water and 120 g in an unknown liquid. then the density of metal is.

...is bound to remain a mystery unless you follow the posting template and describe your own attempt at a solution...