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GATE 2026 PH – Question 7

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

A paper shown in Panel I is folded along the dashed lines (- - -) to construct a cube. The shaded regions shown in Panel I appear on the outer surface of the cube. Referring to cubes shown in Panel II, which one of the options is correct?

Shaded cube net and two proposed folded cubes.
  1. Only (i) can correspond to the unfolded cube in Panel I.
  2. Only (ii) can correspond to the unfolded cube in Panel I.
  3. Both (i) and (ii) can correspond to the unfolded cube in Panel I.
  4. Neither (i) nor (ii) can correspond to the unfolded cube in Panel I.

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Show answer and explanation

Correct answer: (A) Only (i) can correspond to the unfolded cube in Panel I.

Explanation

Folding the strip and end tabs places the diamond face beside the quarter-square and triangular face in (i). The shaded half-face orientation in (ii) is reversed.

Official GATE 2026 answer key: https://gate2026.iitg.ac.in/doc/download/2026/Keys/PH_Keys.pdf