Mensurationmedium · Past Paper
A cube of lead with edge 6 cm is melted and formed into 27 equal cubes. Find the surface area of one small cube.
A6 sq. cm
B12 sq. cm
C24 sq. cm
D4 sq. cm
✓ Correct Answer: C — 24 sq. cm
Volume of large cube = 216. Volume of small cube = 216/27 = 8. Side of small cube = 2. TSA = 6 * 2² = 24 sq. cm.
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