A piece of iron weighs 250N in air and 200N in a liquid of density 1000kgm^-3. The volume of the iron is
[g = 10m/s²]

• A.2.0 x 10^-3 m³
• B.5.0 x 10^-3 m³
• C.4.5 x 10^-3 m³
• D.2.5 x 10^-3 m³