Allied & ICAR Exam Bank • ALLIED_2126 NAT • 1 Mark

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

A straight line segment pierces entirely through a convex solid polyhedron, entering through one polygonal face and exiting through another. At how many points does the line intersect the outer boundary surface of the polyhedron?

Answer Key:

2

Step-by-Step Solution & Explanation

For any strictly convex solid, a straight line that enters and exits intersects the surface at exactly 2 boundary points.
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