International Maths Olympiad Forum By SOF Olympiad Trainer - Page 646

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
It is B because the point where EF and AB met it is the centre point of 4 squares making it correct. Guys it is easy but we must know the trick (btw some questions are wrong itself )

Ans 2:

Class : Class 9
The answer should be C

Ans 3:

Class : Class 6
The answer is C] GH Because if we count the blocks in AB then, it's4 If we count the blocks in GH then, it's4 THIS S MY FORMULAE

Ans 4:

Class : Class 6
ans is c

Ans 5:

Class : Class 8
Ans is C..... Olympiad Trainer please give master answer or solution.

Ans 6:

Class : Class 6
AND VERY SILLY MISTAKE TOO

Ans 7:

Class : Class 5
question itself is wrong

Ans 8:

Class : Class 5
the answer should be C

Ans 9:

Class : Class 8

Ans 10:

Class : Class 7
Master answer required

Ans 11:

Class : Class 7

Ans 12:

Class : Class 5

Ans 13:

Class : Class 8
It's cofusing

Ans 14:

Class : Class 5
the answer is d as the line needs to be a proper slant and only i-j is properly slanted

Ans 15:

Class : Class 4
Wrong options SOF.!!!!!! Do you want us to fail

Ans 16:

Class : Class 7
do not worry sof will make the same mistake on paper

Ans 17:

Class : Class 6

Ans 18:

Class : Class 6
ANS 33 is correct

Ans 19:

Class : Class 8
b is totally correct just see the blocks carefully

Ans 20:

Class : Class 6
It is B since GH is not perpendicular by the smallest of angles. EF is perpendicular since if you look at the triangles or 5-sided shapes that are made when lines AB and EF come through a square with an angle not equal to 45 degrees, the sizes are the same. This shows that AB and EF are a pair of perpendicular lines.

Ans 21:

Class : Class 8
Answer is C

Ans 22:

Class : Class 8
All transversal lines look perpendicular

Ans 23:

Class : Class 6
How is the answer B?

Ans 24:

Class : Class 6

Ans 25:

Class : Class 7
This question is itself wrong..

Ans 26:

Class : Class 6
WHOEVER HAS STUDIED IN GURRUZI 2024 WOULD KNOW THIS ANSWER BUT THE QUESTION ITSELF IS WRONG IT SHOULD BE WHICH ONE OF FOLLOWING IS (NOT) perpendicular to Ab

Ans 27:

Class : Class 8

Ans 28:

Class : Class 8
B is the correct answer guys, look at the blocks carefully.

Ans 29:

Class : Class 6
OMG, the question itself is wrong

Ans 30:

Class : Class 5
right

Ans 31:

Class : Class 8

Ans 32:

Class : Class 9

Ans 33:

Class : Class 7
it should be C

Ans 34:

Class : Class 5
ans 7 is right. perpendicular = 90 degree intersecting straight lines

Ans 35:

Class : Class 5
we need Sof to clear some of our issues here so SOF pls respond soon

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 10
no , its b.

Ans 2:

Class : Class 4
d

Ans 3:

Class : Class 8
d

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

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

Ans 3:

Class : Class 9
All figures have perpendicular lines

Ans 4:

Class : Class 7
CONFUSING QUESTION

Ans 5:

Class : Class 6
It is c

Ans 6:

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 7:

Class : Class 5
How

Ans 8:

Class : Class 6
yes

Ans 9:

Class : Class 6
it is d

Ans 10:

Class : Class 4

Ans 11:

Class : Class 6
how

Ans 12:

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

Ans 13:

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

Ans 14:

Class : Class 9
But what about the curved arrow

Ans 15:

Class : Class 6

Ans 16:

Class : Class 8

Ans 17:

Class : Class 8

Ans 18:

Class : Class 8
i also got it wrong

Ans 19:

Class : Class 5
'c' = correct

Ans 20:

Class : Class 8

Ans 21:

Class : Class 8

Ans 22:

Class : Class 3
C

Ans 23:

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 24:

Class : Class 5

Ans 25:

Class : Class 5

Ans 26:

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

Ans 27:

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

Ans 28:

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

Ans 29:

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 30:

Class : Class 7

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
None of the given options is correct .

Ans 3:

Class : Class 6
It should be 0.1666731750

Ans 4:

Class : Class 7
I tried it a 1000 times with calculator it is giving 0.0000515686

Ans 5:

Class : Class 9
correct answer is 0.0000515686. So, none of the provided options are correct.

Ans 6:

Class : Class 9
it should be 0.166674175

Ans 7:

Class : Class 6
the correct answer is going to be 0.0000515686 . I have tried it 10 times. Its given wrong pls correct it SOF

Ans 8:

Class : Class 6

Ans 9:

Class : Class 5
Answer given is correct:0.0001289 - (0.0000000274 x 1293) 0.0000419032=(0.0001289 - 0.0000354282) 0.0000419032=0.0000934718 0.0000419032=0.00011353750

Ans 10:

Class : Class 7
according to bodmas d option is correct

Ans 11:

Class : Class 6
none of the options are correct

Ans 12:

Class : Class 8
none of the options is correct

Ans 13:

Class : Class 7

Ans 14:

Class : Class 8
None of these are correct I have done in calculator

Ans 15:

Class : Class 9
Ya Parth Kaushish you are right. Got it Vihaan :) Thanks

Ans 16:

Class : Class 7
none of the options are correct and the solution makes no sense the correct answer is 0.0000515686sof is glitched

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 3
TENS

Ans 3:

Class : Class 3

Ans 4:

Class : Class 3
C

Ans 5:

Class : Class 3
TENS

Ans 6:

Class : Class 5

Ans 7:

Class : Class 4
C

Ans 8:

Class : Class 7

Ans 9:

Class : Class 2
tens

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
its given c as the ans in the solutions pls explain how

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
How is this question done

Ans 2:

Class : Class 6
There are four equations P Q R=75; Q R S=90; P R S=100; Q S P=80Add them up all. You will get 3P 3Q 3R 3S=345. This means P Q R S=115We can replace the value of P Q R=75 in the above to get the value of S which would be 40. From the second equation, we can get the total value of Q R 40=90 as 50

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4

Ans 5:

Class : Class 5

Ans 6:

Class : Class 6
Spaces is " ", the value disappeared after I posted the comment

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