International Maths Olympiad Forum By SOF Olympiad Trainer - Page 639

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 10
C is right

Ans 2:

Class : Class 6
It is c right

Ans 3:

Class : Class 7
yes you are right

Ans 4:

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 5:

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

Ans 6:

Class : Class 7
c is correct

Ans 7:

Class : Class 7
Correct c is right

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 6

Ans 13:

Class : Class 6
true

Ans 14:

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

Ans 15:

Class : Class 6
unclear question

Ans 16:

Class : Class 5
there are 4 accute angles

Ans 17:

Class : Class 5

Ans 18:

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

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 6
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????What is this?

Ans 21:

Class : Class 5

Ans 22:

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

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
option a

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
Option a is the correct answee

Ans 4:

Class : Class 9
Option a is actually the answer.

Ans 5:

Class : Class 7
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 6:

Class : Class 7
a option

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2:

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

Ans 3:

Class : Class 9

Ans 4:

Class : Class 10
U r right

Ans 5:

Class : Class 8
B is correct actually

Ans 6:

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

Ans 7:

Class : Class 7
Correct answer is b

Ans 8:

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

Ans 9:

Class : Class 7

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 9
Yes,the second statement is true

Ans 13:

Class : Class 10
yeah it should be B.

Ans 14:

Class : Class 9
Option b

Ans 15:

Class : Class 4

Ans 16:

Class : Class 4

Ans 17:

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

Ans 18:

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 19:

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

Ans 20:

Class : Class 8
The correct answer is b not d

Ans 21:

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

Ans 22:

Class : Class 7

Ans 23:

Class : Class 9
Yeah it is definitely true.

Ans 24:

Class : Class 9
B

Ans 25:

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 26:

Class : Class 7

Ans 27:

Class : Class 8

Ans 28:

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

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 10

Ans 2:

Class : Class 4
sry they've given a

Ans 3:

Class : Class 2

Ans 4:

Class : Class 8
Option D

Ans 5:

Class : Class 8
Option D

Ans 6: (Master Answer)

Class : Class 1

Ans 7:

Class : Class 8
Option D

Ans 8:

Class : Class 4

Ans 9:

Class : Class 5

Ans 10:

Class : Class 5
d

Ans 11:

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

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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 4

Ans 2:

Class : Class 2
a bit confusing

Ans 3:

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 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 5

Ans 7:

Class : Class 5
Sorry, the answer is D.

Ans 8:

Class : Class 5

Ans 9:

Class : Class 4
c

Ans 10:

Class : Class 4
The answer is d.

Ans 11:

Class : Class 7
give solution

Ans 12:

Class : Class 5
Sorry, the answer is D.

Ans 13:

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

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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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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 7
d) 20/100 because 20/100 is equivalent fraction of 1/5

Ans 3:

Class : Class 5
Answer is D as in option A, 14/100 is shaded, which means 7/50 is shaded. In option B, 22/100 is shaded, which means 11/50 is shaded. In option C 29/100 is shaded. In option D, 20/100 is shaded, which means 1/5 is shaded.

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