International Maths Olympiad Forum By SOF Olympiad Trainer - Page 693

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
d

Ans 2:

Class : Class 8
d

Ans 3:

Class : Class 10
no , its b.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 9
All figures have perpendicular lines

Ans 2:

Class : Class 10

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
how

Ans 5:

Class : Class 6

Ans 6:

Class : Class 4

Ans 7:

Class : Class 6
It is c

Ans 8:

Class : Class 6
yes

Ans 9:

Class : Class 3
C

Ans 10:

Class : Class 7
CONFUSING QUESTION

Ans 11:

Class : Class 7
'c' = correct

Ans 12:

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

Ans 13:

Class : Class 7

Ans 14:

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 15:

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

Ans 16:

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

Ans 17:

Class : Class 10

Ans 18:

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 19:

Class : Class 8
i also got it wrong

Ans 20:

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

Ans 21:

Class : Class 8

Ans 22:

Class : Class 8

Ans 23:

Class : Class 5

Ans 24:

Class : Class 5
How

Ans 25:

Class : Class 6
it is d

Ans 26:

Class : Class 5

Ans 27:

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 28:

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

Ans 29:

Class : Class 9
But what about the curved arrow

Ans 30:

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

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Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 8
none of the options is correct

Ans 3:

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 4:

Class : Class 6
none of the options are correct

Ans 5:

Class : Class 6

Ans 6:

Class : Class 9

Ans 7:

Class : Class 6
It should be 0.1666731750

Ans 8:

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

Ans 9:

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

Ans 10:

Class : Class 7
according to bodmas d option is correct

Ans 11:

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

Ans 12:

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

Ans 13:

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 14:

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

Ans 15:

Class : Class 7

Ans 16:

Class : Class 9
it should be 0.166674175

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5

Ans 2:

Class : Class 3
TENS

Ans 3:

Class : Class 7

Ans 4:

Class : Class 3

Ans 5:

Class : Class 3
TENS

Ans 6:

Class : Class 4
C

Ans 7:

Class : Class 4
C

Ans 8:

Class : Class 2
tens

Ans 9:

Class : Class 4

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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
its given c as the ans in the solutions pls explain how

Ans 2:

Class : Class 8

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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 6
How is this question done

Ans 3:

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 4:

Class : Class 5

Ans 5:

Class : Class 5

Ans 6:

Class : Class 4

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10

Ans 3:

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

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
the correct answer is c

Ans 6:

Class : Class 7
C

Ans 7: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 8:

Class : Class 4

Ans 9:

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 10:

Class : Class 7
my answer is d

Ans 11:

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...

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