3 lead shots of diameter 1 cm 6 cm and 8 cm respectively are melted to form a single shot find its radius
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Volume of final lead shot
4/3π ( 0.5³+3³+4³) = 4/3π r³
r³ = 0.125+27+64
r³ = 91.125
r= 3√91.125 = 4.5 cm (ans.) ✍️
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