Allied & ICAR Exam Bank • ALLIED_1825 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

What is the Euler characteristic chi of a closed surface of genus g, given by the formula chi = 2 - 2g, for a standard torus (g = 1)?

Options:

  • (A) 0
  • (B) 2
  • (C) -2
  • (D) 1

Answer Key:

A

Step-by-Step Solution & Explanation

chi = 2 - 2(1) = 2 - 2 = 0.
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