Three glass balls of radii 6, 8 and $r$ cm are melted to form a single sphere of radius 9 cm. The value of $r$ is which

Question

Three glass balls of radii 6, 8 and $r$ cm are melted to form a single sphere of radius 9 cm. The value of $r$ is which of the following?

Accepted Answer

1 cm

Answer

2 cm

Answer

3 cm

Answer

5 cm

Three glass balls of radii 6, 8 and rrr cm are melted to form a single sphere of radius 9 cm. The value of rrr is which of the following?