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Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 `cm^3` of metal. Find the number of discs melted (use π =

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Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 `cm^3` of metal. Find the number of discs melted (use π = 3.14).

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