International Maths Olympiad Forum By SOF Olympiad Trainer - Page 652

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
D

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7

Ans 4:

Class : Class 9

Ans 5:

Class : Class 8

Ans 6:

Class : Class 10
d doesn't make sense

Ans 7:

Class : Class 8
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 8:

Class : Class 5
how the answer is D?

Ans 9:

Class : Class 9

Ans 10:

Class : Class 7
D

Ans 11:

Class : Class 7

Ans 12:

Class : Class 7

Ans 13:

Class : Class 10

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
I THINK THE ANSWER IS 'D'

Ans 2:

Class : Class 6
D is the option cause in other figures atleast 2 are open in same direction.

Ans 3:

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 4:

Class : Class 6
I think the answer is (D)

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
700-650=(a) 50

Ans 2:

Class : Class 4
700-650=(a) 50

Ans 3:

Class : Class 5
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 : Class 5
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.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 7
Correct c is right

Ans 3:

Class : Class 7
yes you are right

Ans 4:

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

Ans 5:

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 6:

Class : Class 6
unclear question

Ans 7:

Class : Class 7
c is correct

Ans 8:

Class : Class 6

Ans 9:

Class : Class 6
It is c right

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

Class : Class 5
there are 3 angles less the right angle in the figure

Ans 14:

Class : Class 6
true

Ans 15:

Class : Class 5

Ans 16:

Class : Class 10
C is right

Ans 17:

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

Ans 18:

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

Ans 19:

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 20:

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

Ans 21:

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

Ans 22:

Class : Class 5
there are 4 accute angles

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
Option a is actually the answer.

Ans 3:

Class : Class 7
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 4:

Class : Class 7
a option

Ans 5:

Class : Class 6
option a

Ans 6:

Class : Class 6
Option a is the correct answee

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 6
According to their own solution b is a supposed to be correct but the answer given is d???

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
The ans is supposed to be b but the website says it is d. I can’t understand how.

Ans 4:

Class : Class 8
the second statement is true so, the answer is B

Ans 5:

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.!

Ans 6:

Class : Class 9
Option b

Ans 7:

Class : Class 8
B is correct actually

Ans 8:

Class : Class 4

Ans 9:

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

Ans 10:

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

Ans 11:

Class : Class 8
The correct answer is b not d

Ans 12:

Class : Class 10
U r right

Ans 13:

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

Ans 14:

Class : Class 7
Correct answer is b

Ans 15:

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 16:

Class : Class 10
yeah it should be B.

Ans 17:

Class : Class 8
ans is b.there is a technical problem

Ans 18:

Class : Class 8

Ans 19:

Class : Class 9
Yeah it is definitely true.

Ans 20:

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

Ans 21:

Class : Class 9
B

Ans 22:

Class : Class 9
Yes,the second statement is true

Ans 23:

Class : Class 7

Ans 24:

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

Ans 25:

Class : Class 4

Ans 26:

Class : Class 7

Ans 27:

Class : Class 9

Ans 28:

Class : Class 8
The answer is actually supposed to be Option B rather than Option D because the second statement is true

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
sry they've given a

Ans 2:

Class : Class 5
d

Ans 3:

Class : Class 8
Option D

Ans 4:

Class : Class 10

Ans 5:

Class : Class 4
Ques is wrongwhen answer is d they've told answer is b

Ans 6:

Class : Class 8
Option D

Ans 7: (Master Answer)

Class : Class 1

Ans 8:

Class : Class 5

Ans 9:

Class : Class 4

Ans 10:

Class : Class 8
Option D

Ans 11:

Class : Class 2

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
It is 36650.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
B is correct.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 2
a bit confusing

Ans 2:

Class : Class 5
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 3:

Class : Class 5

Ans 4:

Class : Class 7
D) 15

Ans 5:

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

Ans 6:

Class : Class 9
give solution

Ans 7:

Class : Class 5
Sorry, the answer is D.

Ans 8:

Class : Class 4
c

Ans 9:

Class : Class 5
Sorry, the answer is D.

Ans 10:

Class : Class 4
The answer is d.

Ans 11:

Class : Class 5

Ans 12:

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

Ans 13:

Class : Class 4

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