International Maths Olympiad Forum By SOF Olympiad Trainer - Page 711

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 10
because its asking the unshaded figure not the shaded figure

Ans 2:

Class : Class 2
because it is unshaded not shaded.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
b is not the answer but d because in a symetry , both the sides should be opposite .

Ans 2:

Class : Class 9
b is the correct answer

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
why are you writing same sentence

Ans 6:

Class : Class 7

Ans 7:

Class : Class 5
I THINK B IS THE ANSWER

Ans 8:

Class : Class 8
The answer is D only

Ans 9:

Class : Class 5
B is only the answer because it is symetry

Ans 10:

Class : Class 6
I thought A was the answer but the answer is d

Ans 11:

Class : Class 9
Bbbbbbbbbbb

Ans 12:

Class : Class 5
why are you silent you dont`t have head see properly then answer me

Ans 13:

Class : Class 9
Even I think the answer is B

Ans 14:

Class : Class 4
It's b guys it's b not d

Ans 15:

Class : Class 9
Plus there is no solution

Ans 16:

Class : Class 5
B is the correct answer and not D

Ans 17:

Class : Class 5
master admin answer

Ans 18:

Class : Class 5
Guys, it's d.. due to some explanations, I clicked b.... also, the people saying b are wrong as d showed up in my test results

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
sorry

Ans 2:

Class : Class 5
D is the answer because it is straight but option B is not correct because over here it is slanting , and there is no such symmetry

Ans 3:

Class : Class 5
But B answer is also the correct answer

Ans 4:

Class : Class 8
answer is not b because the lines on top of the letter are horizontal

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5
the answer to this question can also be b because option b also has a line of symmetry

Ans 7:

Class : Class 6
According to me the correct answer to this question is D] Because it has a line of symmetry from top to bottom

Ans 8:

Class : Class 5
But B has slanting line of symmetry.The line of symmetry doesn't means only to be strategy

Ans 9:

Class : Class 5
I say B is also a line of symmetry but the correct answer is D

Ans 10:

Class : Class 5

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
i agree

Ans 2:

Class : Class 7
option a is correct as angle pqs is epual to angle qsa +angle ast (alternate interior angle)=70 98=28+x x=98-28 x=70 ast+tsb=180(straight angle) 70+y=180 y=180-70 y=110

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
It's simple addition and subtraction. The total cost of both toys is 52.45+25.32=77.77 You gave him a hundred rupee note. So you gave him 22.23 rupees morethe actual prize which you would recieve as change. So the answer is 22.23 (100-77.77=22.23)

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Subject :IMO    Class : Class 5

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

Class : Class 6

Ans 5:

Class : Class 6
ans is c

Ans 6:

Class : Class 7
it should be C

Ans 7:

Class : Class 6

Ans 8:

Class : Class 8
Answer is C

Ans 9:

Class : Class 7
This question is itself wrong..

Ans 10:

Class : Class 7
question itself is wrong

Ans 11:

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

Ans 12:

Class : Class 5
right

Ans 13:

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 14:

Class : Class 6
How is the answer B?

Ans 15:

Class : Class 6
AND VERY SILLY MISTAKE TOO

Ans 16:

Class : Class 9

Ans 17:

Class : Class 9

Ans 18:

Class : Class 5

Ans 19:

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

Ans 20:

Class : Class 9
The answer should be C

Ans 21:

Class : Class 6
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 22:

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 23:

Class : Class 6
we need Sof to clear some of our issues here so SOF pls respond soon

Ans 24:

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

Ans 25:

Class : Class 8

Ans 26:

Class : Class 7
Master answer required

Ans 27:

Class : Class 9
All transversal lines look perpendicular

Ans 28:

Class : Class 6
ANS 33 is correct

Ans 29:

Class : Class 6
OMG, the question itself is wrong

Ans 30:

Class : Class 7

Ans 31:

Class : Class 8

Ans 32:

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

Ans 33:

Class : Class 5
the answer should be C

Ans 34:

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 35:

Class : Class 8
It's cofusing

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
d

Ans 2:

Class : Class 4
d

Ans 3:

Class : Class 10
no , its b.

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Subject :IMO    Class : Class 5

Ans 1:

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 2:

Class : Class 10

Ans 3:

Class : Class 8
i also got it wrong

Ans 4:

Class : Class 8

Ans 5:

Class : Class 5
How

Ans 6:

Class : Class 6
how

Ans 7:

Class : Class 7
'c' = correct

Ans 8:

Class : Class 9
But what about the curved arrow

Ans 9:

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

Ans 10:

Class : Class 6
it is d

Ans 11:

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

Ans 12:

Class : Class 7

Ans 13:

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

Ans 14:

Class : Class 5

Ans 15:

Class : Class 7
CONFUSING QUESTION

Ans 16:

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

Ans 17:

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

Ans 18:

Class : Class 8

Ans 19:

Class : Class 6
It is c

Ans 20:

Class : Class 5

Ans 21:

Class : Class 6

Ans 22:

Class : Class 4

Ans 23:

Class : Class 6
yes

Ans 24:

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

Ans 25:

Class : Class 3
C

Ans 26:

Class : Class 10

Ans 27:

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 28:

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 29:

Class : Class 9
All figures have perpendicular lines

Ans 30:

Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 9
it should be 0.166674175

Ans 3:

Class : Class 8
none of the options is correct

Ans 4:

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 5:

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

Ans 6:

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

Ans 7:

Class : Class 6
none of the options are correct

Ans 8:

Class : Class 6

Ans 9:

Class : Class 7

Ans 10:

Class : Class 7
according to bodmas d option is correct

Ans 11:

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

Ans 12:

Class : Class 6
It should be 0.1666731750

Ans 13:

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

Ans 14:

Class : Class 9

Ans 15:

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 16:

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

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