Non Verbal Reasoning - Cubes and Dice - Discussion

The sheet of paper shown in the figure (X) given on the left hand side, in each problem, is folded to form a box. Choose from amongst the alternatives (1), (2), (3) and (4), the boxes that are similar to the box that will be formed.

4. 

Choose the box that is similar to the box formed from the given sheet of paper (X).

[A]. 1 and 3 only
[B]. 1 and 4 only
[C]. 2 and 4 only
[D]. 3 and 4 only

Answer: Option A

Explanation:

The fig. (X) is similar to Form II. So, when the sheet shown in fig. (X) is folded to form a cube then the two half-shaded faces lie opposite to each other, the face bearing a circle lies opposite to one of the two blank faces and the two remaining blank faces lie opposite to each other. Therefore, the cubes shown in fig. (4) which has the two half-shaded faces adjacent to each other, cannot be formed by folding the sheet shown in fig. (X). Also, the cube shown in fig. (2) has the face bearing a circle adjacent to two blank faces. This is not possible since there is one blank face opposite to the circle and one blank face opposite to the third blank face. Hence, only the cubes in figures (1) and (3) can be formed.

Kunal said: (Apr 10, 2014)  
What is the trick behind solving such problems?

Roy said: (Dec 1, 2014)  
Am lost too! What method were used, to solve this problem?

Ammu said: (Apr 14, 2017)  
@Kunal & @Roy.

Just imagine how you fold this and you predict the answer.

Flora said: (Oct 6, 2017)  
But where is the small circle in third box, it is not appeared in 1 and 3 right?

Bikram Sahoo said: (Apr 28, 2018)  
What is the meaning of form II here?

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