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EEJ MAIN Aptitude QUESTION #10975
Question 1
A tesseract is the 4-dimensional analogue of a cube. A cube has 6 faces, 12 edges, 8 vertices. A tesseract has how many faces (2D flat square faces)?
  • 24✔️
  • 16
  • 12
  • 32
Correct Answer Explanation

Comparing dimensional analogues:

DimensionShapeVerticesEdgesFaces (2D)Cells (3D)
1DLine21--
2DSquare441-
3DCube81261
4DTesseract1632248

A tesseract has 24 square faces — each of the 8 cubic cells contributes 6 faces but each face is shared by 2 cells: \(\dfrac{8 \times 6}{2} = 24\.