International Maths Olympiad Forum By SOF Olympiad Trainer - Page 650

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

Ans 3:

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

Ans 4:

Class : Class 3
C

Ans 5:

Class : Class 4

Ans 6:

Class : Class 5
'c' = correct

Ans 7:

Class : Class 7

Ans 8:

Class : Class 6
yes

Ans 9:

Class : Class 8

Ans 10:

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

Ans 11:

Class : Class 7
CONFUSING QUESTION

Ans 12:

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

Ans 13:

Class : Class 9
All figures have perpendicular lines

Ans 14:

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 15:

Class : Class 8

Ans 16:

Class : Class 6

Ans 17:

Class : Class 8

Ans 18:

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

Ans 19:

Class : Class 5
How

Ans 20:

Class : Class 5

Ans 21:

Class : Class 8
i also got it wrong

Ans 22:

Class : Class 6
how

Ans 23:

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

Ans 24:

Class : Class 6
it is d

Ans 25:

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

Ans 28:

Class : Class 9
But what about the curved arrow

Ans 29:

Class : Class 6
It is c

Ans 30:

Class : Class 5

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Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 9
it should be 0.166674175

Ans 3:

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

Ans 4:

Class : Class 9

Ans 5:

Class : Class 8
none of the options is correct

Ans 6:

Class : Class 7

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

Ans 10:

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

Ans 11:

Class : Class 7
according to bodmas d option is correct

Ans 12:

Class : Class 6
none of the options are correct

Ans 13:

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

Ans 14:

Class : Class 6
It should be 0.1666731750

Ans 15:

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 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 5

Ans 2:

Class : Class 4
C

Ans 3:

Class : Class 3
TENS

Ans 4:

Class : Class 4
C

Ans 5:

Class : Class 4

Ans 6:

Class : Class 2
tens

Ans 7:

Class : Class 3
TENS

Ans 8:

Class : Class 3

Ans 9:

Class : Class 7

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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 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4

Ans 4:

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

Ans 5:

Class : Class 6
How is this question done

Ans 6:

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

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
C

Ans 2:

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

Ans 3:

Class : Class 10

Ans 4:

Class : Class 7
my answer is d

Ans 5:

Class : Class 4

Ans 6:

Class : Class 8
the correct answer is c

Ans 7:

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 8:

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 9:

Class : Class 10

Ans 10: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 11:

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

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2:

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

Ans 3:

Class : Class 9
It is obviously b.

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 6
I also think B is correct

Ans 7:

Class : Class 6
B is correct answer

Ans 8:

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

Ans 9:

Class : Class 9
i think B is correct answer

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 10

Ans 13:

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

Ans 14:

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

Ans 15:

Class : Class 9
the optoins are the same

Ans 16:

Class : Class 7
both a and b are correct.

Ans 17:

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

Ans 18:

Class : Class 10

Ans 19:

Class : Class 8
b is the correct answer

Ans 20:

Class : Class 7
B is correct

Ans 21:

Class : Class 7
B is correct

Ans 22:

Class : Class 9
b is correct

Ans 23:

Class : Class 8
It is B

Ans 24:

Class : Class 10
B is correct

Ans 25:

Class : Class 7

Ans 26:

Class : Class 7
B is correct not A

Ans 27:

Class : Class 7

Ans 28:

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

Ans 29:

Class : Class 10
B is correct

Ans 30:

Class : Class 9
B is correct not A

Ans 31:

Class : Class 8
ans is b

Ans 32:

Class : Class 9
answer is b

Ans 33:

Class : Class 9

Ans 34:

Class : Class 8

Ans 35:

Class : Class 8
ANSWER B IS ONLY CORRECT

Ans 36:

Class : Class 7
Answer B is correct not A

Ans 37:

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

Ans 38:

Class : Class 7
B IS THE RIGHT ANSWER

Ans 39:

Class : Class 8
B is the correct answer

Ans 40:

Class : Class 9
Yes B is right

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