A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboids are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm. Find the volume of wood in the entire stand (see the following figure). [Use = 22 7 ]
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Volume of the cuboid = lbh, where l, b, and h are the length, breadth, and height of the cuboid respectively. Volume of the cone = 1/3 πr2h₁, where r and h₁ are the radius and height of the cone respectively. The volume of wood in the entire stand is 523.53
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