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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 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 2:

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

Ans 3:

Class : Class 7
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 4:

Class : Class 5

Ans 5:

Class : Class 7
CONFUSING QUESTION

Ans 6:

Class : Class 6
It is c

Ans 7:

Class : Class 7
But what about the curved arrow

Ans 8:

Class : Class 6

Ans 9:

Class : Class 5
D cannot be the answer at all.

Ans 10:

Class : Class 5

Ans 11:

Class : Class 7

Ans 12:

Class : Class 6
it is d

Ans 13:

Class : Class 7

Ans 14:

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

Ans 15:

Class : Class 6
how

Ans 16:

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

Ans 17:

Class : Class 8

Ans 18:

Class : Class 3
C

Ans 19:

Class : Class 4

Ans 20:

Class : Class 6
i also got it wrong

Ans 21:

Class : Class 5
How

Ans 22:

Class : Class 4

Ans 23:

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

Ans 24:

Class : Class 8

Ans 25:

Class : Class 7
All figures have perpendicular lines

Ans 26:

Class : Class 4
yes

Ans 27:

Class : Class 7

Ans 28:

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

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