This is an MCQ-based quiz for GRE on the topic of the **Spheres.**

A geometrical object that is a three-dimensional analogue to a two-dimensional circle.

How much does the volume of a sphere increase if its radius is increased by 50%?

Find the surface area of a sphere with a diameter of 14. Use π = 22/7.

What is the volume of a sphere with a radius of 3?

If a sphere has a volume of 36π cubic inches, what is its surface area?

32π in^2

96π in^2

36π in^2

108π in^2

24π in^2

64π in^2

48π in^2

Cannot be determined

32π in^2

16π in^2

The surface area of a sphere is 36π. What is its diameter?

3

9

6

4

The volume of one sphere is 432πx^3. What is the diameter of a sphere of half that volume?

3x∛12

3x∛6

6x∛12

6x∛6

24π

36π

72π

108π

3

3√3

9√3

9

√3