International Maths Olympiad Forum By SOF Olympiad Trainer - Page 671

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
b is correct

Ans 2:

Class : Class 9
B

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Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 2:

Class : Class 9
A

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
1500 is the correct answer

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5

Ans 4:

Class : Class 7
30000÷20=1500 so B is the answer to this question

Ans 5:

Class : Class 5
pratham dave was wrong

Ans 6:

Class : Class 6
600 bro 300 and 6/12 = 0.50 300 divided by 0.50 = 600 so ans 600 yall are wrong

Ans 7:

Class : Class 8
yes, it is 1500.

Ans 8:

Class : Class 9

Ans 9:

Class : Class 7

Ans 10:

Class : Class 5
6000

Ans 11:

Class : Class 7

Ans 12:

Class : Class 9
yes, it is 1500

Ans 13:

Class : Class 6

Ans 14:

Class : Class 5

Ans 15:

Class : Class 6
I know it is 1500, but they should ask the cost of oranges, but they are asking the number of oranges. The amount of money for one orange will help in finding the cost of all oranges, not the number of all oranges.

Ans 16:

Class : Class 5

Ans 17:

Class : Class 5
The Question is not correct

Ans 18:

Class : Class 5
B

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 5
how the answer is D?

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
D

Ans 4:

Class : Class 3

Ans 5:

Class : Class 10
d doesn't make sense

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7

Ans 8:

Class : Class 8
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 9:

Class : Class 8

Ans 10:

Class : Class 5

Ans 11:

Class : Class 9

Ans 12:

Class : Class 7
D

Ans 13:

Class : Class 9

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Subject :IMO    Class : Class 6

Ans 1:

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 2:

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

Ans 3:

Class : Class 6
D is the option cause in other figures atleast 2 are open in same 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 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 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 4
700-650=(a) 50

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Subject :IMO    Class : Class 5

Ans 1:

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 2:

Class : Class 6
true

Ans 3:

Class : Class 6
unclear question

Ans 4:

Class : Class 5

Ans 5:

Class : Class 7
Correct c is right

Ans 6:

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

Ans 7:

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

Ans 8:

Class : Class 5

Ans 9:

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

Ans 10:

Class : Class 6

Ans 11:

Class : Class 6
It is c right

Ans 12:

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

Ans 13:

Class : Class 9
yes you are right

Ans 14:

Class : Class 5
there are 4 accute angles

Ans 15:

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

Ans 16:

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 17:

Class : Class 10
C is right

Ans 18:

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

Ans 19:

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

Ans 20:

Class : Class 7
c is correct

Ans 21:

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

Ans 22:

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

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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 7
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 4:

Class : Class 9
Option a is actually the answer.

Ans 5:

Class : Class 6
Option a is the correct answee

Ans 6:

Class : Class 7
a option

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
The correct answer is b not d

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 8
B is correct actually

Ans 6:

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

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 8

Ans 10:

Class : Class 10
yeah it should be B.

Ans 11:

Class : Class 4

Ans 12:

Class : Class 4

Ans 13:

Class : Class 9
Option b

Ans 14:

Class : Class 7

Ans 15:

Class : Class 9
Yes,the second statement is true

Ans 16:

Class : Class 7

Ans 17:

Class : Class 9
Yeah it is definitely true.

Ans 18:

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 19:

Class : Class 7

Ans 20:

Class : Class 9
B

Ans 21:

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

Ans 22:

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

Ans 23:

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

Ans 24:

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

Ans 25:

Class : Class 9

Ans 26:

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

Ans 27:

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 28:

Class : Class 3
U r right

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
Option D

Ans 2:

Class : Class 8
Option D

Ans 3:

Class : Class 8
Option D

Ans 4:

Class : Class 4
sry they've given a

Ans 5:

Class : Class 2

Ans 6:

Class : Class 5

Ans 7:

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

Ans 8: (Master Answer)

Class : Class 1

Ans 9:

Class : Class 4

Ans 10:

Class : Class 5
d

Ans 11:

Class : Class 10

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