How many 2 cm radius spheres can be formed by melting and recasting a single 6 cm radius sphere?
Show answer & explanation
Correct answer: A
Explanation
Radius of the large sphere = 6 cm, Radius of the small sphere = 2 cm
According to the formula:
Volume of a sphere =
Number of spheres = (6³) / (2³) = 216 / 8 = 27