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Subject :IMO    Class : Class 5

How many of the given figures have perpendicular lines?



A 1
B 2
C 3
D 4


How come D has even 1 pair of perpendicular lines ??????????????????????????????????????????????????????

Ans 1:

Class : Class 8

Ans 2:

Class : Class 5
Angles consideration is confusing ....sometime inner and sometime outer angle is consider ....actually SINGLE LINE FIGURE SHOULD BE GIVEN

Ans 3:

Class : Class 8

Ans 4:

Class : Class 7
Something is wrong here. We have to confirm about it.

Ans 5:

Class : Class 5
'c' = correct

Ans 6:

Class : Class 4

Ans 7:

Class : Class 7

Ans 8:

Class : Class 5
The answer should be C because in the first figure there are prependicular lines in the bottom in figure 2 there are prependicular lines all four sides near the arrows and in figure 3 there are prependicular lines at the bottom while there are no prependicular lines in figure 4 as they are all acute and obtuse angles so, the answer should be C not D.

Ans 9:

Class : Class 6
It is c

Ans 10:

Class : Class 5

Ans 11:

Class : Class 5

Ans 12:

Class : Class 6
it is d

Ans 13:

Class : Class 6

Ans 14:

Class : Class 9
D cannot be the answer at all.

Ans 15:

Class : Class 5
A perpendicular line is 90 degrees, last one doesn't count as 90 degrees, so C

Ans 16:

Class : Class 3
C

Ans 17:

Class : Class 9
All figures have perpendicular lines

Ans 18:

Class : Class 6

Ans 19:

Class : Class 8
i also got it wrong

Ans 20:

Class : Class 6
how

Ans 21:

Class : Class 6
yes

Ans 22:

Class : Class 9
It should be C as it is written that we have to find the perpendicular line for each figure, so there are three figures with perpendicular line but if we consider how many perpendicular lines are there in this picture then it should be 4. This answer is absolutely wrong.

Ans 23:

Class : Class 8

Ans 24:

Class : Class 8

Ans 25:

Class : Class 5
How

Ans 26:

Class : Class 7
D is the answer to this question because all the lines are perpendicular and in the 3rd one the bottom lines are perpendicular

Ans 27:

Class : Class 7
CONFUSING QUESTION

Ans 28:

Class : Class 9
But what about the curved arrow

Ans 29:

Class : Class 5
it should be a. thats what my supery dupery expert dad said

Ans 30:

Class : Class 8
All 4 figure has perpendicular line along perimeter

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