Cube and Dice – Railway Reasoning

Total Questions: 24

11. Four different positions of some dice are shown. Select the number that will be on the face opposite of the one having 5. [RRB NTPC 16/02/2021 (Morning)]

Correct Answer: (a) 2
Solution:

Opposite face of 5 are not possible - 1 , 3,
4 , 6 ( adjacent face )
So, only possible face 2

12. Two positions of a rotated cube are shown below. [RRB NTPC 27/02/2021 (Morning) ]

Which shape will be at the bottom when ‘ ● ’ is on the top?

Correct Answer: (d)
Solution:

13. Four different positions of a cube are shown. [RRB NTPC 04/03/2021 (Evening)]

Which shape will be at the bottom when ‘ ● ’ is one the  having ?

Correct Answer: (d)
Solution:

Only possible figure is black rectangle.
Except this , all are adjacent faces so that they are not opposite .

14. Three different positions of the same dice are shown. Select the letter that will be on the face opposite to the one having D. [RRB NTPC 09/03/2021 (Evening)]

Correct Answer: (a) E
Solution:

Opposite face not possible for D = A ,B, F , C (adjacent face)
So that only possible opposite face = E

15. Select the box that can be formed by folding the given sheet along the lines. [RRB NTPC 12/03/2021 (Evening)]


Correct Answer: (c)
Solution:In the above figure, opposite faces have been shown using curved lines. The figure that has the same pair of opposite faces as that of the question figure is in option (c) only.

16. Four different positions of the same dice are shown. Select the symbol that will be on the face opposite to the one having + . [RRB NTPC 19/03/2021 (Morning)]

Correct Answer: (d) $
Solution:

Not possible face for + is equal to # , - , * , &
Because they cojecutive face of the +.
So that , only possible opposite face for + is equal to $.

17. Three different positions of the same dice are shown. Select number that will be on the face opposite to the one having 4. [RRB NTPC 07/04/2021 (Morning)]

Correct Answer: (a) 6
Solution:

Opposite face 4 is not possible = 1 , 5 , 2 , 3 (consecutive face of the 4 )
So that , only possible opposite face of 4 = 6

18. Read the given information and answer the question that follows. [RRB NTPC 24/07/2021 (Morning)]

The following are different views of the same cube.
Which of the following is definitely a pair of opposite faces?

Correct Answer: (b) 1 and 3
Solution:

By the given figure -
Opposite face of 1 is not possible = 4 , 6 , 5 , 2
Opposite face of 3 is not possible = 4 , 6 , 5 , 2
So , 1 is the opposite to 3.

19. The following are different views of the same wooden block. [RRB NTPC 24/07/2021 (Evening)]

What would be the number opposite 5?
(Ignore the orientation of the numbers.)

Correct Answer: (c) 2
Solution:

From the dice numbers 1, 3 and 4 we can say that 1, 3, 4, 6 5 cannot have the opposite face; Then the number opposite to 5 will be 2;

20. Which of the cubes given in the options will be formed when the following sheet is folded along the lines? [RRB NTPC 26/07/2021 (Evening)]

Correct Answer: (b)
Solution:

Opposite of 6 = 2
Opposite of 5 = 3
Opposite of 4 = 1