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GATE 2024 MA – Question 10

General Aptitude · Spatial Aptitude: Spatial Reasoning and Visualization · 2 marks · Multiple choice

A cube is held with a body diagonal vertical. Find the least positive rotation about that axis leaving its appearance unchanged.

  1. 120°
  2. 60°
  3. 90°
  4. 180°

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Show answer and explanation

Correct answer: (A) 120°

Explanation

Three faces meeting at either diagonal endpoint cycle into one another. This is threefold rotational symmetry, giving 360°/3=**120°, A**.

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