Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

A sphere is of radius 5 cm. What is the surface area of the sphere?

Options:

100 π cm2

150 π cm2

200 π cm2

120 π cm2

Correct Answer:

100 π cm2

Explanation:

r = 5

Surface Area of a sphere = 4πr2

= 4 x π x 5 x 5

= 100 π cm2