Question : If the diameter of a sphere is reduced to its half, then the volume would be:
Option 1: increased by
Option 2: reduced by
Option 3: increased by
Option 4: reduced by
Correct Answer:
reduced by
Solution :
Given,
The diameter of a sphere is reduced to its half.
⇒ Radius will also be reduced by half.
We know the Volume of the sphere is
⇒
⇒
⇒
⇒ The new volume will be reduced by
Hence, the correct answer is "reduced by