9. A bucket made up of a metal sheet is in the form of frustum of a cone. Itsdepth is 24 cm and the diameters of the top and bottom are 30 cm and10 cm respectively. Find the cost of milk which can completely fill thebucket at the rate of 20 per litre and the cost of metal sheet used if it[CBSE 2006, '09C]costs10 per 100 cm2. [Use π = 3.14]

9. A bucket made up of a metal sheet is in the form of frustum of a co

1.	9. A bucket made up of a metal sheet is in the form of frustum of a cone. Itsdepth is 24 cm and the diameters of the top and bottom are 30 cm and10 cm respectively. Find the cost of milk which can completely fill thebucket at the rate of 20 per litre and the cost of metal sheet used if it[CBSE 2006, '09C]costs10 per 100 cm2. [Use π = 3.14]
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