Sarthaks Test
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Metallic spheres of radii 6 cm, 8 cm and 10 cm, respectively, are melted to form a single solid sphere. Find the radius of the resulting sphere.

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Solution: Radii of spheres = 6 cm, 8 cm, 10 cm

Volume of sphere

10 surface area volume exercise solution

Total volume of three spheres

10 surface area volume exercise solution

Hence radius of biggest sphere

10 surface area volume exercise solution

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