[" (ii) the cost of plastering the Parliament House are to be cleaned.If the diameter of eat eath ear eath ear eath ear eath earted "],[" Twenty cylindrical pillars of the Parliament will be the cost of cleaning them at the rat "],[" pillar is "0.50m" and height is "4m" .What will be the cost of cleaning them asl "],[" pillar is "0.50m" and height is "4m" and the inner diameter of the tube is "12cm" .Fir "],[2.50" per square metre? "]