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36.
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Two
positions of a dice are shown below. When there are two dots at the bottom,
the number of dots at the top will be
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A.
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3
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B.
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5
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C.
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6
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D.
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Cannot be determined
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Answer: Option A
Explanation:
Number 1 is common to both the positions of
the dice. We assume the dice in fig. (ii) to be rotated so that 1 dot moves to
the top face (i.e. face V as per activity 1) i.e. to the same position as in
fig. (i) and 2 and 4 dots move to the faces hidden behind the faces with 3 and
5 dots respectively. Thus, the combined figure will have 1 dot on the Top (i.e.
on face V), 5 dots on Front face (i.e. on face I), 3 dots on RHS face (i.e.
face II), 4 dots on the Rear face (i.e. face III) and 2 dots on the LHS face (i.e.
face IV). Clearly, 3 dots lie on the face opposite the face having 2 dots.
Therefore, when there are 2 dots at the bottom, the number of dots at the top
will be 3.
Title :
Cubes and Dice Q36
Description : 36. Two positions of a dice are shown below. When there are two dots at the bottom, the number of dots at the top wi...
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