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A pen stand made of wood is in the shape...

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm 3.5 cm . The radius of each of the depression is 0.5 cm and the depth is 1.4 cm find the volume of wood in the entire stand (See the given figure).

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The correct Answer is:
`523.53 cm^(3)`
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