Allied & ICAR Exam Bank • ALLIED_1647 MCQ • 1 Mark

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

A point Q(1, 4, -2) is rotated by 180 degrees about the x-axis. What are its new coordinates?

Options:

  • (A) (1, -4, 2)
  • (B) (-1, 4, -2)
  • (C) (-1, -4, 2)
  • (D) (1, 4, 2)

Answer Key:

A

Step-by-Step Solution & Explanation

A 180-degree rotation about the x-axis preserves x while negating y and z: (x, y, z) becomes (x, -y, -z), yielding (1, -4, 2).
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