International Maths Olympiad Forum By SOF Olympiad Trainer - Page 730

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 8
B AS we convert mixed to improper fraction so 4 1/2 = 2 x 4 1 /2 = 9/2 2 1/8 = 8 x 2 1 / 8 = 17/8 Then we find equivalent fractions 9/2 = 9 x 4 / 2 x 4 = 36 / 8 and 17 / 8 will remain same as we know. Now we do subtraction. 36 / 8 - 17 / 8 = 36 - 17 / 8 = 19 / 8 = 19 divided by 8= Quotient=2, Remainder=3 so 2 3/8

Ans 3:

Class : Class 7

Ans 4:

Class : Class 4
ANS;B

Ans 5:

Class : Class 5
Answer is B

Ans 6:

Class : Class 9
B

Ans 7:

Class : Class 7

Ans 8:

Class : Class 4

Ans 9:

Class : Class 4
D

Ans 10:

Class : Class 7
the answer is b

Ans 11:

Class : Class 7
b because if we divide the into 2 part i.e 4 and 1/2 and 2 and 1/8 means 4-2 whloes is 2 1/2 and 1/8 way 1/2=2/4=4/8-1/8=3/8 hence ans 2 wholes and 3/8

Ans 12:

Class : Class 6
The correct answer should be Option B. By Ankush

Ans 13:

Class : Class 5

Ans 14:

Class : Class 4
D

Ans 15:

Class : Class 4
How is it B? Guys somebody OH PLEASE explain! I don't understand ANYTHING:(

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
How is this question worth 2 marks

Ans 2:

Class : Class 3
D 65

Ans 3:

Class : Class 4
It is shown as 65F in picture itself.How can it be 65 F

Ans 4:

Class : Class 6
It is shown as 65 F in picture itself. How can it be 65 F ? It should be 69 F which is option A . And question is find NEAREST temperature .

Ans 5:

Class : Class 9
It is shown as 65 F in picture itself. How can it be 65 F ? It should be 69 F which is option A . And question is find NEAREST temperature .

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10
u know what perpendicular is right?c is answer

Ans 2:

Class : Class 9
ans is C, They r wrong!!!

Ans 3:

Class : Class 10
That's what

Ans 4:

Class : Class 8
Can someone explain the problem

Ans 5:

Class : Class 5
the third option is right!!!!!

Ans 6:

Class : Class 7
Answer c is right but they aren't responding

Ans 7:

Class : Class 7
there is a problem with the question

Ans 8:

Class : Class 8
obviously answer is c

Ans 9:

Class : Class 9
The answer is C for sure.

Ans 10:

Class : Class 7
The answer should be c

Ans 11:

Class : Class 8
guys!!!! the answer is C....!!!!!!!!!..........it is so obvious.

Ans 12:

Class : Class 4
Anand Prakash from Nazareth Acadmey Gaya , BiharPlease give the solution!

Ans 13:

Class : Class 10

Ans 14:

Class : Class 7
its definitely c..

Ans 15:

Class : Class 9

Ans 16:

Class : Class 10
yes the answer is c, there is a technical issue

Ans 17:

Class : Class 9
Might be a technical problem with this question

Ans 18:

Class : Class 8
sof never respond/fix its mistakes :(

Ans 19:

Class : Class 9
Please explain

Ans 20:

Class : Class 7
The problem is there in some answers but nobody answers the queries of the people I have come across.

Ans 21:

Class : Class 8
Obviously yeah the answer is C

Ans 22:

Class : Class 9
SURFACE MIGHT BE CURVED RIGHT??? SO ANS IS C

Ans 23:

Class : Class 8
yes everyone the answer is c

Ans 24:

Class : Class 10
Dont worry the answrr is c

Ans 25:

Class : Class 9

Ans 26:

Class : Class 10

Ans 27:

Class : Class 4
yes..... The answer is C however, it has given the solution wrong.

Ans 28:

Class : Class 8
sof never responds :[

Ans 29:

Class : Class 8
Agreed. The answer is definitely C.

Ans 30:

Class : Class 7
its definitely c..

Ans 31:

Class : Class 8
How can the answer be b??

Ans 32:

Class : Class 9
Answer is c

Ans 33:

Class : Class 9
yes the answer is C obviously

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
its B because as u can see in each figure there is a difference between the number of sides by one............. in the first the shape has six sides, in the second five sides, in the third four sides and so on......!!!! So at the last there must be two sides only!!! Hope u can understand!!!

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
go in 2017

Ans 2:

Class : Class 8
go in 2017

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
if you do not believe c is correct why don't you check in google . Q is rhombus so check does a rhombus have line of symmetry

Ans 2:

Class : Class 8
plz dont fight, if it comes in IMO question paper, parallelogram has no line of symmetry.

Ans 3:

Class : Class 4
correct answer is B PLEASE mind SOF

Ans 4:

Class : Class 4
THE ANSWER HAS TO BE C ...HOW CAN IT BE B???A rhombus is symmetrical

Ans 5:

Class : Class 8
see it ISN'T a rhombus it is a parallelogram Master answer explain ASAP as this question can come in IMO

Ans 6:

Class : Class 7
Answer 1:Q is a parallelogram. It has no line of symmetry. If you don't believe me, please check on google and search ''Does parallelogram has a line of symmetry or not. -Kushagra Chaturvedi

Ans 7:

Class : Class 5
yes it should be c

Ans 8:

Class : Class 5
bbbbbshb

Ans 9:

Class : Class 8
sorry guys ans is b it is a parallelogram hence it has no lines of symmetry

Ans 10:

Class : Class 5
Ans=b

Ans 11:

Class : Class 4
the answer is C

Ans 12:

Class : Class 4

Ans 13:

Class : Class 7
It should be C

Ans 14:

Class : Class 8
answer is C

Ans 15:

Class : Class 5
The ans is C .Q fig has a line of symmetry

Ans 16:

Class : Class 4

Ans 17:

Class : Class 7
answer is C

Ans 18:

Class : Class 6
how could the answer be b it has to be c

Ans 19:

Class : Class 10
b

Ans 20:

Class : Class 4
C

Ans 21:

Class : Class 4
Ans is c

Ans 22:

Class : Class 7
ans b symitrical figures are that are diveided eqally

Ans 23:

Class : Class 5
qqqqq

Ans 24:

Class : Class 4
Answer is C

Ans 25: (Master Answer)

Class : Class 1

Ans 26:

Class : Class 9

Ans 27:

Class : Class 9
ANSWER SHOULD BE C. Q HAS A LINE OF SYMMETRY.

Ans 28:

Class : Class 8

Ans 29:

Class : Class 6
ans should be D

Ans 30:

Class : Class 4
Answer should be C

Ans 31:

Class : Class 8
It should be C , for sure, kindly make change

Ans 32:

Class : Class 5

Ans 33:

Class : Class 7
Ans 15:Anirudh Bhattacharjee from THE LEXICON INTERNATIONAL SCHOOL KALYANI NAGAR PUNR, PuneClass : >Class 5plz dont fight, if it comes in IMO question paper, parallelogram has no line of symmetry.It has a line of symetery Answer 15

Ans 34:

Class : Class 8
SOF olympiad..please make changes to your tests when you have reported errors...or atleast revert back to students who report error.. Ans shd be C...but if you do not make amendments..you are confusing kids

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 7
should be C 800 grams

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 8
a

Ans 3:

Class : Class 5
The correct answer is option B. Please fix this problem

Ans 4:

Class : Class 9
The correct answer is option C.

Ans 5:

Class : Class 5
We cut cake on birthday. But here cake is called butter. The right answer is B

Ans 6:

Class : Class 8

Ans 7:

Class : Class 5
CLASS 5TH

Ans 8:

Class : Class 4
Answer is C

Ans 9:

Class : Class 5

Ans 10:

Class : Class 8

Ans 11:

Class : Class 5
The correct answer is C

Ans 12:

Class : Class 9
The correct answer is C as Toffee means cake

Ans 13:

Class : Class 9
The correct answer is C

Ans 14:

Class : Class 5

Ans 15:

Class : Class 10
c

Ans 16:

Class : Class 8

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
I DIDNT KNOW THE ANSWER FIRST

Ans 2:

Class : Class 9
A because the two small lines are not facing towards each other

Ans 3:

Class : Class 4

Ans 4:

Class : Class 5
Even there are no endpoints to two lines of symmetry in A option. And the figure in o has option C has a very large diameter and has only one line of symmetry

Ans 5:

Class : Class 5
Why did they give option C bigger than the others. The figure should have been of same size???????????????

Ans 6:

Class : Class 2
A because the others have more than one line of symmetry

Ans 7:

Class : Class 5

Ans 8:

Class : Class 5

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