International Maths Olympiad Forum By SOF Olympiad Trainer - Page 687

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 3

Ans 3:

Class : Class 5

Ans 4:

Class : Class 8

Ans 5:

Class : Class 9

Ans 6:

Class : Class 7

Ans 7:

Class :
D

Ans 8:

Class :
D

Ans 9:

Class : Class 10
d doesn't make sense

Ans 10:

Class : Class 5
how the answer is D?

Ans 11:

Class : Class 8
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 12:

Class : Class 9

Ans 13:

Class : Class 7

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Subject :IMO    Class : Class 6

Ans 1:

Class :
I think the answer is (D)

Ans 2:

Class : Class 7
the correct option is d because in all options at least two open figures are in same direction but in option d all are in different direction

Ans 3:

Class :
D is the option cause in other figures atleast 2 are open in same direction.

Ans 4:

Class :
I THINK THE ANSWER IS 'D'

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Subject :IMO    Class : Class 4

Ans 1:

Class :
Answer is A as we see that bakery B sold 700 cakes and bakery F sold halfway between 700 and 600, which is 650 cakes. now subtract 650 from 700, which is 700-650=50.

Ans 2:

Class :
700-650=(a) 50

Ans 3:

Class :
Answer is A as we see that bakery B sold 700 cakes and bakery F sold halfway between 700 and 600, which is 650 cakes. now subtract 650 from 700, which is 700-650=50.

Ans 4:

Class :
700-650=(a) 50

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
Correct c is right

Ans 2:

Class : Class 4
unclear question. There are 3 Acute angles ( Interior) and 1 Exterior Acute angle.

Ans 3:

Class : Class 5
Questions must be clear whether Interior or exterior angle to be consider?????

Ans 4:

Class : Class 9
yes you are right

Ans 5:

Class : Class 6
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????What is this?

Ans 6:

Class : Class 6
unclear question

Ans 7:

Class : Class 5

Ans 8:

Class : Class 9
Question is not clear, it does not specify that only the angles inside the figure are to be measured

Ans 9:

Class : Class 5
there are 4 accute angles

Ans 10:

Class : Class 5

Ans 11:

Class : Class 6
It is c right

Ans 12:

Class : Class 6

Ans 13:

Class : Class 5
i went to master admin and he said that the the answer is c. master admin is my dads boss's boss's boss.

Ans 14:

Class : Class 5
The question is unclear and if you count the angles there are 4 angles less than 90 degrees which is wrong i think .

Ans 15:

Class : Class 5
of course it is c from master admin

Ans 16:

Class : Class 6
they dont even allow us to post errors!!!!!!!!!!!!!

Ans 17:

Class : Class 4
What???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????¿?????????????????????????????????????????????????/??/?????????

Ans 18:

Class : Class 10
C is right

Ans 19:

Class : Class 6
true

Ans 20:

Class :
there are 3 angles less the right angle in the figure

Ans 21:

Class : Class 10
yes, the question is unclear. in many of the questions, it is just like that.

Ans 22:

Class : Class 7
c is correct

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Subject :IMO    Class : Class 6

Ans 1:

Class :
Option a is the correct answee

Ans 2:

Class :
option a

Ans 3:

Class : Class 8

Ans 4:

Class :
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 5:

Class : Class 7
a option

Ans 6:

Class : Class 9
Option a is actually the answer.

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Subject :IMO    Class : Class 7

Ans 1:

Class :
The answer is actually supposed to be Option B rather than Option D because the second statement is true

Ans 2:

Class : Class 9
Yeah it is definitely true.

Ans 3:

Class : Class 7

Ans 4:

Class : Class 3
U r right

Ans 5:

Class :
According to their own solution b is a supposed to be correct but the answer given is d???

Ans 6:

Class : Class 9
Option b

Ans 7:

Class : Class 4

Ans 8:

Class : Class 10
hey guys the ans cannot be optiob B because in the second statement it is told that the third side cannot be smaller than the difference of the other two sides that means the third side can be equal or greater than the difference. but it cannot be equal that is why 2nd statement id wrong

Ans 9:

Class : Class 9

Ans 10:

Class : Class 4

Ans 11:

Class :
ans is b.there is a technical problem

Ans 12:

Class : Class 7

Ans 13:

Class : Class 7

Ans 14:

Class : Class 9
here in the 3rd statement it's written that any 2 sides not the other 2 sides.

Ans 15:

Class : Class 8
B is correct actually

Ans 16:

Class : Class 8

Ans 17:

Class :
the second statement is true so, the answer is B

Ans 18:

Class : Class 8
B is correct, SOF should upgrade their answer. This might mislead students.

Ans 19:

Class :
The ans is supposed to be b but the website says it is d. I can’t understand how.

Ans 20:

Class : Class 9
The second statement is true so, answer should be option B

Ans 21:

Class : Class 7
Correct answer is b

Ans 22:

Class : Class 8
The correct answer is b not d

Ans 23:

Class : Class 8
Please check, the questions says DIFFERENCE,

Ans 24:

Class : Class 10
The answer should be b. This sum is there in the IMO Workbook and there the answer is b

Ans 25:

Class : Class 9
B

Ans 26:

Class : Class 10
yeah it should be B.

Ans 27:

Class : Class 9
Yes,the second statement is true

Ans 28:

Class : Class 8
yeah guys !!!! the answer is B.....not D. it is so obvious, the second statement is true....the solution given by the website makes no sense.!

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 2

Ans 2: (Master Answer)

Class :

Ans 3:

Class : Class 5
d

Ans 4:

Class : Class 5
Ques is wrongwhen answer is d they've told answer is b

Ans 5:

Class : Class 8
Option D

Ans 6:

Class : Class 8
Option D

Ans 7:

Class : Class 10

Ans 8:

Class : Class 5
sry they've given a

Ans 9:

Class : Class 4

Ans 10:

Class :

Ans 11:

Class : Class 8
Option D

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class :
It is 36650.

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Subject :IMO    Class : Class 7

Ans 1:

Class :
B is correct.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 2
a bit confusing

Ans 2:

Class :

Ans 3:

Class :
Sorry, the answer is D.

Ans 4:

Class : Class 5

Ans 5:

Class : Class 7
D) 15

Ans 6:

Class :
The answer is d.

Ans 7:

Class :
Answer is C as the question says the combinations of 1 notebook and 1 pen from 5 notebooks and 3 pens, which is 5*3=15.

Ans 8:

Class : Class 7
its confusing, actually it is supposed to have 5 different notebooks and 3 different pens so 5*3=15

Ans 9:

Class : Class 5

Ans 10:

Class : Class 5
to get the answer, just do 5 5 5=15

Ans 11:

Class :
Sorry, the answer is D.

Ans 12:

Class : Class 9
give solution

Ans 13:

Class : Class 4
c

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