A right circular cylindrical tank of 9-meter height is filled with water. Water comes out from there through a pipe having length of 6cm diameter with a speed of 225 meter per minute and the tank becomes empty after 36 minutes, let us write by calculating the length of diameter of the tank.
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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