International Maths Olympiad Forum By SOF Olympiad Trainer - Page 674

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Subject :IMO    Class : Class 5

Ans 1:

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

Ans 2:

Class : Class 4

Ans 3:

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

Ans 4:

Class : Class 8
i also got it wrong

Ans 5:

Class : Class 6
yes

Ans 6:

Class : Class 5

Ans 7:

Class : Class 6

Ans 8:

Class : Class 10

Ans 9:

Class : Class 9
But what about the curved arrow

Ans 10:

Class : Class 9
All figures have perpendicular lines

Ans 11:

Class : Class 7
CONFUSING QUESTION

Ans 12:

Class : Class 6

Ans 13:

Class : Class 5

Ans 14:

Class : Class 3
C

Ans 15:

Class : Class 5
'c' = correct

Ans 16:

Class : Class 6
It is c

Ans 17:

Class : Class 8

Ans 18:

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

Ans 19:

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

Ans 20:

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

Ans 21:

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

Ans 22:

Class : Class 7

Ans 23:

Class : Class 6
how

Ans 24:

Class : Class 5
How

Ans 25:

Class : Class 8

Ans 26:

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 27:

Class : Class 6
it is d

Ans 28:

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 29:

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 30:

Class : Class 10

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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 7

Ans 3:

Class : Class 6
none of the options are correct

Ans 4:

Class : Class 6
It should be 0.1666731750

Ans 5:

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

Ans 6:

Class : Class 9
it should be 0.166674175

Ans 7:

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

Ans 8:

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 9:

Class : Class 8
none of the options is correct

Ans 10:

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 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 9

Ans 13:

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

Ans 14:

Class : Class 7
according to bodmas d option is correct

Ans 15:

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

Ans 16:

Class : Class 6

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
C

Ans 2:

Class : Class 3
TENS

Ans 3:

Class : Class 5

Ans 4:

Class : Class 7

Ans 5:

Class : Class 4
C

Ans 6:

Class : Class 4

Ans 7:

Class : Class 2
tens

Ans 8:

Class : Class 3

Ans 9:

Class : Class 3
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
Spaces is " ", the value disappeared after I posted the comment

Ans 2:

Class : Class 5

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 6
How is this question done

Ans 5:

Class : Class 5

Ans 6:

Class : Class 4

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 10

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 7
my answer is d

Ans 5:

Class : Class 4

Ans 6:

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 7:

Class : Class 8
the correct answer is c

Ans 8:

Class : Class 7
C

Ans 9:

Class : Class 10

Ans 10:

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

Ans 11: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
The correct answer is B. I am sure.

Ans 2:

Class : Class 9
It is obviously b.

Ans 3:

Class : Class 10

Ans 4:

Class : Class 7
B is correct

Ans 5:

Class : Class 7
B IS THE RIGHT ANSWER

Ans 6:

Class : Class 8
ANSWER B IS ONLY CORRECT

Ans 7:

Class : Class 9
answer is b

Ans 8:

Class : Class 10
B is correct

Ans 9:

Class : Class 9
B is correct not A

Ans 10:

Class : Class 7
B is the correct answer. A cannot be the correct answer as

Ans 11:

Class : Class 8

Ans 12:

Class : Class 10
B is correct

Ans 13:

Class : Class 8
B is the correct answer

Ans 14:

Class : Class 8
I do not think that the correct answer is A

Ans 15:

Class : Class 10
the optoins are the same

Ans 16:

Class : Class 7
both a and b are correct.

Ans 17:

Class : Class 7

Ans 18:

Class : Class 9
b is correct

Ans 19:

Class : Class 9

Ans 20:

Class : Class 7
B is correct not A

Ans 21:

Class : Class 7
B is correct

Ans 22:

Class : Class 8
b is the correct answer

Ans 23:

Class : Class 8
The answer b is correct as the order of congruence is different in every potion but b is correct

Ans 24:

Class : Class 8
It is B

Ans 25:

Class : Class 8
ans is b

Ans 26:

Class : Class 6
B is correct answer

Ans 27:

Class : Class 8
Option (B) is the correct answer

Ans 28:

Class : Class 7
Answer is supposed to be B not A

Ans 29:

Class : Class 6
I also think B is correct

Ans 30:

Class : Class 9
B is the correct answer since, the second portion in option A doesn't satisfy the order

Ans 31:

Class : Class 9
I do not think that the correct answer is A

Ans 32:

Class : Class 10
According to me, B is the answer....

Ans 33:

Class : Class 10
Option b will be correct. This question is there in IMO Workbook and there the answer is b only

Ans 34:

Class : Class 8
yes,B is the correct answer.Not A.

Ans 35:

Class : Class 9
i think B is correct answer

Ans 36:

Class : Class 7
Answer B is correct not A

Ans 37:

Class : Class 10

Ans 38:

Class : Class 7

Ans 39:

Class : Class 9
Yes B is right

Ans 40:

Class : Class 6
B is correct and I am gonna support B

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