Question Bank • QB_EXP_GA_SPT_022 NAT • 2 Marks

Section 8: General Aptitude

Spatial: 2D/3D Paper Folding, Assembly & Projections

Subtopic: Opposite face in unfolded cube net

Question Statement:

If the volume of the folded cube is $64\text{ cm}^3$, determine the length of the perimeter of the flat 6-square net shown in the diagram in $\text{cm}$ (enter the integer value).

Answer Key:

56

Step-by-Step Solution & Explanation

$V = a^3 = 64 \implies a = 4\text{ cm}$. A standard 1-4-1 cube net has 14 exposed boundary edge segments. Perimeter $P = 14 \times a = 14 \times 4 = 56\text{ cm}$.
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