Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)

Options:

768 cm2

108 cm2

384 cm2

576 cm2

Correct Answer:

384 cm2

Explanation:

Volume of cube = a3 = 512

a = \(\sqrt[3]{512}\) = 8 cm

Total surface area of a cube = 6a2 = 6 × 8 × 8 = 384 cm2