Find the diameter of its base.

If the volume of a right circular cone of height 9 cm is 48π cm³, find the diameter of its base.

Solution:

The height of a cone is 15 cm. If its volume is 1570 cm³, find the radius of the base. (Use π = 3.14)

Solution:

The slant height and a base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of whitewashing its curved surface area at the rate of Rs 210 per 100 m².

Solution:

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• Find the volume of water pumped into the tank.
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• Find the volume of the wood left in the block.
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• Find the volume of the remaining wood.