The length of outer and inner diameter of hollow right circular cylinder are 16cm and 12cm respectively. Height of Cylinder is 36cm. let us calculate how many solid cylinders of 2cm diameter and 6cm length may be often by melting this cylinder.
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Q- It is required to make a plastering of sand and cement with 3.5 cm thick, surrounding four cylindrical pillars, each of whose diameter is 17.5cm. (i) If each pillar is of 3 meter height, let us write by calculating how many cubic dcm of plaster materials will be needed. (ii) If the ratio of sand and cement in the plaster material be 4:1, let us write how many cubic dcm of cement will be needed.
Chapter: Right Circular Cylinder