SSC CHSL 2024 PYQ — Question 2

SSC CHSL Tier II - 10 Jan 2024 - Shift 1 • Quantitative Aptitude • Q2

A hollow cube is made of paper and has a volume of 512 cubic units. How much paper in square units will be required to make the cube?

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 384.

Given that

A hollow cube is made of paper to have a volume of 512 cubic units.

Formula used

Volume of a cube = side3

The total surface area of a cube = 6 × side2

Calculation

⇒ Side3 = 512

⇒ side = 8 cm

Total surface area = 6 × 82 = 6 × 64 = 384 cm2