Revelian Test Revelian Spatial Reasoning Questions and Answers

Question 1

A square piece of paper is folded in half diagonally, then folded in half again. How many layers thick is the resulting shape?

Accepted Answer

4

Answer

Each fold doubles the layers: the first fold creates 2 layers, and the second fold creates 4 layers.

Question 2

A 3×3×3 cube is assembled from 27 unit cubes. How many of the unit cubes are completely hidden with no exposed faces?

Accepted Answer

1

Answer

Only the single center cube of a 3×3×3 cube is completely surrounded on all six sides with no visible faces.

Question 3

If a sphere is cut in half, what 2D shape is revealed on the flat cut surface?

Accepted Answer

Circle

Answer

Cutting a sphere through its center always reveals a perfect circular cross-section.

Question 4

A cube is painted red on all faces, then cut into 27 equal smaller cubes. How many small cubes have exactly 2 red faces?

Accepted Answer

12

Answer

The 12 edge-position cubes (not at corners) each have exactly 2 painted faces.

Question 5

How many faces does a triangular prism have?

Accepted Answer

5

Answer

A triangular prism has 2 triangular end faces and 3 rectangular side faces, totaling 5.

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