Question

Three solid spherical beads of radii 3 cm, 4 cm and 5 cm are melted into a single spherical
bead. Its radius is:​

Answer 1

Step-by-step explanation:

Volume of solid sphere=(4/3)π×[R1³+R2³+R3³]

4/3(πR³)=(4/3)π(3³+4³+5³)

By simplipying,

R³=216

R=6cm

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