International Maths Olympiad Forum By SOF Olympiad Trainer - Page 669

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Subject :IMO    Class : Class 4

Ans 1:

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

Ans 2:

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 3:

Class : Class 4
700-650=(a) 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 7
c is correct

Ans 2:

Class : Class 6
true

Ans 3:

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

Ans 4:

Class : Class 9
yes you are right

Ans 5:

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

Ans 6:

Class : Class 6
It is c right

Ans 7:

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

Ans 8:

Class : Class 6

Ans 9:

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 10:

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 11:

Class : Class 5
there are 4 accute angles

Ans 12:

Class : Class 7
Correct c is right

Ans 13:

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

Ans 14:

Class : Class 6
unclear question

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

Class : Class 10
C is right

Ans 19:

Class : Class 5

Ans 20:

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

Ans 21:

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

Ans 22:

Class : Class 5

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
option a

Ans 2:

Class : Class 9
Option a is actually the answer.

Ans 3:

Class : Class 6
Option a is the correct answee

Ans 4:

Class : Class 7
a option

Ans 5:

Class : Class 7
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 6:

Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1:

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 2:

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

Ans 3:

Class : Class 8
The correct answer is b not d

Ans 4:

Class : Class 9

Ans 5:

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

Ans 6:

Class : Class 8

Ans 7:

Class : Class 10
yeah it should be B.

Ans 8:

Class : Class 9
Option b

Ans 9:

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

Ans 10:

Class : Class 4

Ans 11:

Class : Class 7
Correct answer is b

Ans 12:

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

Ans 13:

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 14:

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

Ans 15:

Class : Class 9
B

Ans 16:

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

Ans 17:

Class : Class 9
Yeah it is definitely true.

Ans 18:

Class : Class 9
Yes,the second statement is true

Ans 19:

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

Ans 20:

Class : Class 7

Ans 21:

Class : Class 4

Ans 22:

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

Ans 23:

Class : Class 8
B is correct actually

Ans 24:

Class : Class 7

Ans 25:

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

Ans 26:

Class : Class 3
U r right

Ans 27:

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

Ans 28:

Class : Class 7

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Subject :IMO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 4
sry they've given a

Ans 3: (Master Answer)

Class : Class 1

Ans 4:

Class : Class 5

Ans 5:

Class : Class 8
Option D

Ans 6:

Class : Class 8
Option D

Ans 7:

Class : Class 10

Ans 8:

Class : Class 4

Ans 9:

Class : Class 2

Ans 10:

Class : Class 8
Option D

Ans 11:

Class : Class 5
d

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

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 9
give solution

Ans 4:

Class : Class 4
c

Ans 5:

Class : Class 5
Sorry, the answer is D.

Ans 6:

Class : Class 4

Ans 7:

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

Ans 8:

Class : Class 5

Ans 9:

Class : Class 5
Sorry, the answer is D.

Ans 10:

Class : Class 7
D) 15

Ans 11:

Class : Class 2
a bit confusing

Ans 12:

Class : Class 4
The answer is d.

Ans 13:

Class : Class 5

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Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
Hello. And Bye.

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Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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