International Maths Olympiad Forum By SOF Olympiad Trainer - Page 544

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 2:

Class : Class 3

Ans 3:

Class : Class 1

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Subject :IMO    Class : Class 5

Ans 1:

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.

Ans 2:

Class : Class 5
Should be 1 tho

Ans 3:

Class : Class 7
it is easy

Ans 4:

Class : Class 6

Ans 5:

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

Ans 6:

Class : Class 9
It is right

Ans 7:

Class : Class 5
what happened?

Ans 8:

Class : Class 8
finally what is the ans

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 8
the figure is symmetrical

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
option b

Ans 2:

Class : Class 8
option B

Ans 3:

Class : Class 7
d option 107500 is correct

Ans 4:

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

Ans 5:

Class : Class 7
d option 107500 is correct

Ans 6:

Class : Class 6

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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 8
yes, it is 1500.

Ans 2:

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

Ans 3:

Class : Class 5
The Question is not correct

Ans 4:

Class : Class 5
B

Ans 5:

Class : Class 5
6000

Ans 6:

Class : Class 5
pratham dave was wrong

Ans 7:

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 8:

Class : Class 5

Ans 9:

Class : Class 5

Ans 10:

Class : Class 6

Ans 11:

Class : Class 8
yes, it is 1500

Ans 12:

Class : Class 5

Ans 13:

Class : Class 7

Ans 14:

Class : Class 5

Ans 15:

Class : Class 5
1500 is the correct answer

Ans 16:

Class : Class 5

Ans 17:

Class : Class 6

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
d doesn't make sense

Ans 4:

Class : Class 8

Ans 5:

Class : Class 7
D

Ans 6:

Class : Class 9

Ans 7:

Class : Class 8
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 8:

Class : Class 7
D

Ans 9:

Class : Class 3
how the answer is D?

Ans 10:

Class : Class 5

Ans 11:

Class : Class 7

Ans 12:

Class : Class 7

Ans 13:

Class : Class 7

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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 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 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 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 4
700-650=(a) 50

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
yes you are right

Ans 2:

Class : Class 6
Correct c is right

Ans 3:

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 4:

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

Ans 5:

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

Ans 6:

Class : Class 4
true

Ans 7:

Class : Class 6

Ans 8:

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

Ans 9:

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

Ans 10:

Class : Class 5

Ans 11:

Class : Class 5
c is correct

Ans 12:

Class : Class 6
It is c right

Ans 13:

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 14:

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

Ans 15:

Class : Class 10
C is right

Ans 16:

Class : Class 10
unclear question. There are 3 Acute angles ( Interior) and 1 Exterior Acute angle.

Ans 17:

Class : Class 5

Ans 18:

Class : Class 5
unclear question

Ans 19:

Class : Class 5
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????What is this?

Ans 20:

Class : Class 9
yes, the question is unclear. in many of the questions, it is just like that.

Ans 21:

Class : Class 5
there are 4 accute angles

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