There is a solid iron pillar in front of Anowar’s house whose lower position is right circular cylindrical shaped and upper portion is cone shaped. The length of their base diameter is 20 cm and the height of the cylindrical portion is 2.8m. and the height of conical portion is 42cm. if the weight of the one cm2 from is 7.2 gm., then let us calculate the weight of iron pillar.