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Question

21 glass spheres, each of radius 2 cm are packed in a cuboidal box of internal dimensions 16 cm × 8 cm × 8 cm and, then the box is filled with water. Find the volume of water filled in the box.

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Solution

It is given that 21 glass spheres each of radius 2 cm are packed in a cuboidal box of inner dimensions and then filled with water.

We have to find the volume of water.

Radius of glass sphere r

Volume of a glass sphere

Length of cuboidal box

Breadth of cuboidal box

Height of cuboidal box

Volume of water = Volume of cuboidal box − Volume of glass spheres


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