International Maths Olympiad Forum By SOF Olympiad Trainer - Page 712

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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 7
CONFUSING QUESTION

Ans 3:

Class : Class 8

Ans 4:

Class : Class 3
C

Ans 5:

Class : Class 6
how

Ans 6:

Class : Class 8

Ans 7:

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

Ans 8:

Class : Class 5

Ans 9:

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 10:

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

Ans 11:

Class : Class 6
it is d

Ans 12:

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

Ans 13:

Class : Class 6
yes

Ans 14:

Class : Class 7
'c' = correct

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 9
All figures have perpendicular lines

Ans 17:

Class : Class 9
But what about the curved arrow

Ans 18:

Class : Class 4

Ans 19:

Class : Class 6
It is c

Ans 20:

Class : Class 6

Ans 21:

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

Ans 22:

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 23:

Class : Class 10

Ans 24:

Class : Class 7

Ans 25:

Class : Class 8
i also got it wrong

Ans 26:

Class : Class 5
How

Ans 27:

Class : Class 10

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

Ans 30:

Class : Class 5

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
none of the options are correct

Ans 2:

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

Ans 3:

Class : Class 9

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 6
It should be 0.1666731750

Ans 6:

Class : Class 7
according to bodmas d option is correct

Ans 7:

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

Ans 8:

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 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 6

Ans 13:

Class : Class 7

Ans 14:

Class : Class 9
it should be 0.166674175

Ans 15:

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

Ans 16:

Class : Class 8
none of the options is correct

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 7

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
C

Ans 4:

Class : Class 3
TENS

Ans 5:

Class : Class 4

Ans 6:

Class : Class 2
tens

Ans 7:

Class : Class 3
TENS

Ans 8:

Class : Class 4
C

Ans 9:

Class : Class 3

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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
Spaces is " ", the value disappeared after I posted the comment

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4

Ans 4:

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 5:

Class : Class 6
How is this question done

Ans 6:

Class : Class 5

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
C

Ans 2:

Class : Class 7
The correct answer is a because 1/2 < 2/3 < 3/4 < 4/5 < 5/6 < 6/7 < 7/8 < 8/9...

Ans 3:

Class : Class 3
If they tell increase by addition or multiplication , we'll know whether answer is C or A otherwise both answers are right

Ans 4:

Class : Class 5
correct answer is C as 5/6*6/6= 30/36 but resultant fraction will always be 5/6

Ans 5:

Class : Class 8
in my opinion both a and c are correct

Ans 6:

Class : Class 10

Ans 7:

Class : Class 7
my answer is d

Ans 8:

Class : Class 8
the correct answer is c

Ans 9: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 10:

Class : Class 4

Ans 11:

Class : Class 10

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