International Maths Olympiad Forum By SOF Olympiad Trainer - Page 608

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 9
It is right

Ans 2:

Class : Class 9
the figure is symmetrical

Ans 3:

Class : Class 8
finally what is the ans

Ans 4:

Class : Class 7
it is easy

Ans 5:

Class : Class 5
Should be 1 tho

Ans 6:

Class : Class 5
what happened?

Ans 7:

Class : Class 6
answer is Zero as figure is symmetrical around given line

Ans 8:

Class : Class 6

Ans 9:

Class : Class 8
Answer should be B This is so because the top portion of the figure has 5 full unshaded squares and the bottom portion has only 2. So the difference 5-2=3 is the ans.

Ans 10:

Class : Class 3
I think no answer is correct, My answer came out as a totally different answer and the answer given there, I suppose, is not correct.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
d option 107500 is correct

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
ANSWER IS' D' BECAUSE MY ANSWER IS NOT MATCHING WITH ANY OF THE GIVEN ANSWERS

Ans 4:

Class : Class 6
option b

Ans 5:

Class : Class 7
d option 107500 is correct

Ans 6:

Class : Class 8
option B

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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:

Class : Class 9
A

Ans 2: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
1500 is the correct answer

Ans 5:

Class : Class 7

Ans 6:

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 7:

Class : Class 8
yes, it is 1500.

Ans 8:

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

Ans 9:

Class : Class 5

Ans 10:

Class : Class 9
yes, it is 1500

Ans 11:

Class : Class 5
B

Ans 12:

Class : Class 5
600 bro 300 and 6/12 = 0.50 300 divided by 0.50 = 600 so ans 600 yall are wrong

Ans 13:

Class : Class 5
6000

Ans 14:

Class : Class 6

Ans 15:

Class : Class 5
The Question is not correct

Ans 16:

Class : Class 5
pratham dave was wrong

Ans 17:

Class : Class 7

Ans 18:

Class : Class 5

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 10

Ans 3:

Class : Class 4
how the answer is D?

Ans 4:

Class : Class 5

Ans 5:

Class : Class 7
D

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7
D

Ans 8:

Class : Class 7

Ans 9:

Class : Class 7

Ans 10:

Class : Class 8
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 11:

Class : Class 8

Ans 12:

Class : Class 9
d doesn't make sense

Ans 13:

Class : Class 9

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Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

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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 10
C is right

Ans 2:

Class : Class 6
true

Ans 3:

Class : Class 7
Correct c is right

Ans 4:

Class : Class 6
yes you are right

Ans 5:

Class : Class 6
It is c right

Ans 6:

Class : Class 5
there are 4 accute angles

Ans 7:

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

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

Ans 10:

Class : Class 6

Ans 11:

Class : Class 5

Ans 12:

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

Ans 13:

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

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
c is correct

Ans 16:

Class : Class 6
unclear question

Ans 17:

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

Ans 18:

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 19:

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

Ans 20:

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

Ans 21:

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

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 7
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
option a

Ans 4:

Class : Class 9
Option a is actually the answer.

Ans 5:

Class : Class 7
a option

Ans 6:

Class : Class 6
Option a is the correct answee

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