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CBSE Questions for Class 5 Maths Does It Look The Same Quiz 1 - MCQExams.com
CBSE
Class 5 Maths
Does It Look The Same
Quiz 1
Which letter from the following alphabet looks the same after a half turn?
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$$M$$
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$$S$$
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$$O$$
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$$U$$
Explanation
Half turn means to rotate it through $$180^\circ$$ so, $$O$$ is the only letter that satisfies the given condition.
Change the shapes in such a way that new shape remains same after giving half a turn.
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0%
0%
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None of the above
Explanation
After (1/2) is turn$$(\dfrac 12 \times 360^o=180^o )$$
$$\Rightarrow$$
Hence option(B) is correct
Observe the figure to the left of dotted line and to the right of dotted line and state whether they are mirror halves of each other or not
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Left image is reflected to the right and hence they are mirror images of each other
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Left image is not reflected to the right and hence they are not mirror images of each other
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Left image is partially reflected to the right and partially not reflected
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Can't specify
Explanation
Left image is reflected to the right and hence they are mirror images of each other
Hence option (A) is correct
Observe the figure above mirror line and below mirror line and state whether they are mirror halves of each other or not
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They are mirror images of each other
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They are not mirror images of each other
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Partial image is reflected correctly
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Can't specify
Explanation
The figure above mirror line and below mirror line are not mirror halves of each other
Observe the figure above mirror line and below mirror line and state whether they are mirror halves of each other or not with reason.
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They are not mirror halves of each other
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Partial image is reflected correctly
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They are mirror halves of each other
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Can't specify
Explanation
They are mirror halves of each other.
Observe the figure above mirror line and below mirror line and state whether they are mirror halves of each other or not.
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They are not mirror halves of each other
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Half image is reflected correctly and half is not reflected correctly
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They are mirror halves of each other
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Can't specify
Explanation
This is the correct mirror halves with dotted lines.
So, the figure given in question is
not mirror halves
with dotted lines.
Let mirror is placed along the dotted line and mirror is placing to the left. How left part of the mirror will look in the mirror?
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0%
0%
0%
Complete mirror half of the given image about dotted line
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0%
0%
0%
None of the above
Explanation
The relevant mirror image of the figure in question is option C
Complete the mirror half of following figure about the dotted line
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0%
0%
0%
None of the above
Explanation
Only this (option B) is the mirror image of the figure in given question.
Complete the mirror half of following figure about the dotted line
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0%
0%
0%
None of the above
Explanation
Option B is correct
Observe the figure to the left of dotted line and to the right of dotted line and state whether they are mirror halves of each other or not.
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They are mirror halves of each other
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They are not mirror halves of each other
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Can't specify
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Upper half is mirror image but lower half is not
Explanation
Along the dotted line if we go, they are not mirror images of each other. As we can see they are not similar halves.
On which of the dotted lines is the mirror be kept so as to get the figure next to it?
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Horizontal dotted line
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Vertical dotted line
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We can keep the mirror on any dotted line
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Can't specify
Explanation
Figure on the left side of vertical dotted line is unchanged, so mirror should be placed along vertical dotted line.
Which of the following shapes look same after half a turn?
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0%
0%
0%
Which numbers from 0 to 9 look same after half a turn?
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0, 3, 8
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0, 6, 9
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0, 3, 6, 8, 9
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0, 1, 8
Explanation
Half turn means to rotate it through
180
∘
180∘
so,
from
$$0,1,2,3,4,5,6,7,8,9$$
will be only $$0,1,8$$
Hence option (D) is correct
In figure (a), where to put the mirror so as to get the figure (b)?
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0%
0%
0%
Explanation
Option A is correct.
List out all four digit numbers which look same after half a turn.
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1001, 2002, 3003, 4004, 5005, 6006, 7007, 8008, 9009
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1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999
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1001, 8008, 8888
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1001, 1111, 1881, 8008, 8118, 8888
List out all three digit numbers which look same after half a turn.
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111, 222, 333, 444, 555, 666, 777, 888, 999
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101, 202, 303, 404, 505, 606, 707, 808, 909
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101, 111, 181, 808, 818, 888
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101,888
List out all two digit numbers which look same after half a turn.
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11, 88
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11, 66, 88, 99
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11, 22, 33, 44, 55, 66, 77, 88, 99
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All of the above
Does this shape look same after $$\frac{1}{4}$$ turns?
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Yes, this shape looks same after $$\frac{1}{4}$$ turns
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No, this shape does not look same after $$\frac{1}{4}$$ turns
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This shape partially looks same after $$\frac{1}{4}$$ turns
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Can's specify
Explanation
After (1/4)th of a turn, i.e. $$(\dfrac 14 \times 360^o=90^o )$$ as given in the figure as given in the picture, so the fig, in the question is not similar to the above in question.
In figure (a), where to put the mirror so as to get the figure (b)?
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0%
0%
0%
Explanation
Option D is correct.
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