Allied & ICAR Exam Bank • ALLIED_1461 MCQ • 1 Mark

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

What is the water image (reflection across a horizontal plane y = 0) of the point (5, 8)?

Options:

  • (A) (5, -8)
  • (B) (-5, 8)
  • (C) (-5, -8)
  • (D) (8, 5)

Answer Key:

A

Step-by-Step Solution & Explanation

Reflection across a horizontal boundary (water surface) inverts the sign of the vertical coordinate y: (x, y) becomes (x, -y), yielding (5, -8).
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