Which of the following cubes in the answer figure CANNOT be made based on the unfolded cube in the question figure?

Appeared in: DSSSB - 28 August 2019 (Shift-1)

Explanation

The question asks to identify the cube that cannot be formed from the given unfolded net.
First, identify the pairs of opposite faces from the net: (Four Dots ↔ Star), (Two Parallel Lines ↔ Circle), and (Plus Sign ↔ Single Dot).
The fundamental rule for cubes is that opposite faces can never be adjacent (share an edge).
The cube in Option B shows the 'Two Parallel Lines' face and the 'Circle' face next to each other.
Since 'Two Parallel Lines' and 'Circle' are an opposite pair, this configuration is impossible, making it the correct answer.

Option A: This cube is a valid formation. The visible faces are 'Four Dots', 'Plus Sign', and 'Two Parallel Lines'. None of these are opposite pairs, so they can appear together on a folded cube.
Option C: This cube is a valid formation. The visible faces are 'Plus Sign', 'Circle', and 'Star'. None of these are opposite pairs, so they can appear together on a folded cube.
Option D: This cube is a valid formation. The visible faces are 'Plus Sign', 'Circle', and 'Four Dots'. None of these are opposite pairs, so they can appear together on a folded cube.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Visual Reasoning and Spatial Ability as background academic context rather than a clinical decision trigger.
This question tests logical and spatial reasoning, not a direct clinical concept.
Strong spatial reasoning is beneficial in nursing for tasks such as understanding anatomical relationships, correctly assembling medical equipment, and navigating complex clinical environments.
Problem-solving skills honed by such questions are crucial for critical thinking and decision-making in patient care.

How to Approach the Question

First, carefully examine the unfolded cube (net) provided in the question figure.
Identify the three pairs of opposite faces. A simple rule is that faces separated by one other face in a straight line are opposite.
List the opposite pairs: (Four Dots vs. Star), (Two Lines vs. Circle), (Plus vs. Dot).
Recall the fundamental principle of cubes: Opposite faces can never be adjacent or visible at the same time on a folded cube.
Systematically check each of the four answer options (folded cubes).
For each option, see if any of the visible faces match one of the opposite pairs you identified.

Concept Tested & Keywords

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Practise the full DSSSB - 28 August 2019 (Shift-1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.