Non Verbal Reasoning - Cubes and Dice - Discussion

Discussion Forum : Cubes and Dice - Section 2 (Q.No. 35)

Cubes and Dice

35.

Amongst the following figures, find the correct one, if it is known that the total number of dots on opposite faces of the cube shown is always 7.

Fig.1

Fig.2

Fig.3

Fig.4

Answer: Option

Explanation:

Since the total number of dots on opposite faces is always 7, therefore 1 dot must lie opposite 6 dots, 2 dots must lie opposite 5 dots and 3 dots must lie opposite 4 dots. In each of the two figures (2) and (4), 2 dots appear adjacent to 5 dots, and in fig. (3), 3 dots appear adjacent to 4 dots. Hence, these figures are incorrect. Therefore/only fig. (1) is correct.

Discussion:

5 comments Page 1 of 1.

Rajjev said: 9 years ago

I think one face of dice must be adjacent to 4 others but here 5 adjacent to all. I think this question may be wrong.

Siyad said: 8 years ago

@Rajjev

The question is to find a cube from the figures in which 'sum of the direct opposite faces is 7'.

First, find the opposite faces of a cube.

In case of Fig.1 :
Opposite faces are 2 3 6.

Assume that 2 is opposite of 5 dots, then sum is 7.
3 opposite of 4, sum = 7.
and 6 is opposite of 1, sum = 7.

So the answer is option A fig.1.

Hope you will understand.

Ranjan said: 5 years ago

Anyone please give a clear explanation of the answer.

Mariette said: 4 years ago

I think the explanation says if the other side of the cube is one then the opposite is 6; if the other side of the cube is 4 then the opposite side is 3 and if the other side of the cube shows 5 then the opposite side must be 2.

The answer is correct.

Mariette said: 4 years ago

All in all, adding the side of the cube that shows the dots with the opposite side not showing the dots, the total is 7.

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