International Maths Olympiad Forum By SOF Olympiad Trainer - Page 102

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
5

Ans 2:

Class : Class 3
THE CORRECT ANS: IS B

Ans 3:

Class : Class 4
It should be 6 as the first one is the outer square(biggest one) and there are 4 small squares inside it, which makes 5 squares. There is also one square inside the figure which is tilted. It looks like a rhombus but isn't a rhombus because a rhombus doesn't have 4 angles measuring 90 degrees.

Ans 4:

Class : Class 2
Unfair

Ans 5:

Class : Class 9
The correct answer is B

Ans 6:

Class : Class 5
Whole question is wrong. The solution is also wrong. The 'squares' in the question and the solution has to be changed to 'triangles. The only thing which was right is the diagram in the solution.

Ans 7:

Class : Class 6

Ans 8:

Class : Class 2
so so so so so so wrong. They wont even let us put this as an error, when we put this as an error, it will say 'Please enter valid error' when it is a valid error. So bad SOF.

Ans 9:

Class : Class 8

Ans 10:

Class : Class 6
The correct answer is B.

Ans 11:

Class : Class 8

Ans 12:

Class : Class 7
yes,b is the right answer. we should just turn the diamond little bit. it will become square. and the other 5 squares.

Ans 13:

Class : Class 4
there are 10 triangles:A,B,C,D,E,F,G,H,BC AND GH

Ans 14:

Class : Class 7
5 a 5

Ans 15:

Class : Class 4
wrong anwer it should be 8

Ans 16:

Class : Class 6
The correct answer is C because one is the outer square, then there are 4 squares inside it and one square is tilted so that will also count.

Ans 17:

Class : Class 5
Correct answer is B

Ans 18:

Class : Class 4
it should be 5 as that one is a rhombus

Ans 19:

Class : Class 8
SOF CLARIFY MY DOUBT ASAP

Ans 20:

Class : Class 8
B as the rhombus if turned slightly diagonally will form a square and 5 squares are already there

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 4
D

Ans 3:

Class : Class 5
Answer is B

Ans 4:

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

Ans 5:

Class : Class 7
the answer is b

Ans 6:

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

Ans 7:

Class : Class 7

Ans 8:

Class : Class 7
B

Ans 9:

Class : Class 4
ANS;B

Ans 10:

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 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 9
B

Ans 13:

Class : Class 7

Ans 14:

Class : Class 4
D

Ans 15:

Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
the answer is C

Ans 4:

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

Ans 5:

Class : Class 4
C

Ans 6:

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

Ans 7:

Class : Class 4
Answer is C

Ans 8:

Class : Class 4
correct answer is B PLEASE mind SOF

Ans 9:

Class : Class 8

Ans 10:

Class : Class 7
answer is C

Ans 11:

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

Ans 12:

Class : Class 4

Ans 13:

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

Ans 14:

Class : Class 10
b

Ans 15:

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

Ans 16:

Class : Class 4
Ans is c

Ans 17:

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

Ans 18:

Class : Class 4
Answer should be C

Ans 19:

Class : Class 7
It should be C

Ans 20:

Class : Class 5
Ans=b

Ans 21:

Class : Class 6
ans should be D

Ans 22:

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 23:

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

Ans 24:

Class : Class 9

Ans 25: (Master Answer)

Class : Class 1

Ans 26:

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 27:

Class : Class 5
qqqqq

Ans 28:

Class : Class 8
answer is C

Ans 29:

Class : Class 4
Ans. C

Ans 30:

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

Ans 31:

Class : Class 4

Ans 32:

Class : Class 5
yes it should be c

Ans 33:

Class : Class 5
bbbbbshb

Ans 34:

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 35:

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

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8

Ans 2:

Class : Class 4
A

Ans 3:

Class : Class 5

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8

Ans 6:

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

Ans 7:

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

Ans 8:

Class : Class 9
The correct answer is option C.

Ans 9:

Class : Class 5

Ans 10:

Class : Class 8
a

Ans 11:

Class : Class 5
The correct answer is C

Ans 12:

Class : Class 5
CLASS 5TH

Ans 13:

Class : Class 9
The correct answer is C

Ans 14:

Class : Class 4
Answer is C

Ans 15:

Class : Class 10
c

Ans 16:

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

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
I DIDNT KNOW THE ANSWER FIRST

Ans 2:

Class : Class 5

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5

Ans 8:

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

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 9
The correct answer is A

Ans 2:

Class : Class 2
A because it becomes golden

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Subject :IMO    Class : Class 4

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
how is it 9 can someone explain ?

Ans 2:

Class : Class 8
answer is 8

Ans 3:

Class : Class 7
Correct answer is 8 (option D). Please do the necessary correction.

Ans 4:

Class : Class 4
8 is the correct option which is in the option D not B.

Ans 5:

Class : Class 4
It is 8 the solution is telling it is 8 And when I count it’s 8

Ans 6:

Class : Class 6
Agreed, it must be 8 as 4 is a number not a letter

Ans 7:

Class : Class 9
9 S WRONG ITS 8

Ans 8:

Class : Class 9
8 is correctfr

Ans 9:

Class : Class 5
what,,,is ans B or D,,,,'''

Ans 10:

Class : Class 7
9 is wrong dont consider ''4'' as letterits 8

Ans 11:

Class : Class 8
answer is 8 sof doing many mistakes in problems and make us confused. no reply from the admin.

Ans 12:

Class : Class 8
the ans is d

Ans 13:

Class : Class 4
it should be 8

Ans 14:

Class : Class 3
I’m just confused 🤷‍♀️ l know the answer is eight

Ans 15:

Class : Class 5
8 is the correct answer

Ans 16:

Class : Class 8
D is answer8

Ans 17:

Class : Class 5
Ans. 8

Ans 18:

Class : Class 7
hi i am unicorn i think the answer is 8please do not fight you are actualy cyberbulling

Ans 19:

Class : Class 8
8 is the correct answer. Even the solution shows the answer 8

Ans 20:

Class : Class 8
D

Ans 21:

Class : Class 5
The Question is wrong it should be 8 (D)

Ans 22:

Class : Class 6
4 is not a letter. it is a number. the correct answer is 8.

Ans 23:

Class : Class 10

Ans 24:

Class : Class 7
D (8) is correct answer

Ans 25:

Class : Class 10
YES THE ANSWER IS 8

Ans 26:

Class : Class 10

Ans 27:

Class : Class 9
Answer should be 8 not 9 as 4 is not a letter, it is a number.

Ans 28:

Class : Class 6
the answer is 8 option (D)

Ans 29:

Class : Class 4
I also go for 8

Ans 30:

Class : Class 8
Yup 8

Ans 31:

Class : Class 4
no it is 8 - R( V W X P T U I - E ) S

Ans 32:

Class : Class 8
8 is the correct answer

Ans 33:

Class : Class 4
but in answer they are saying 9

Ans 34:

Class : Class 8
8 (D) is correct answer

Ans 35:

Class : Class 6
Ans is 8. 4 is a number not a letter

Ans 36:

Class : Class 6
all listen as it is given in the solution it is written the letter between "R" and "S" are V,W,X,P,T,U,I,E so if we count it is 8 so they have done a counting mistake

Ans 37:

Class : Class 4

Ans 38:

Class : Class 5
D

Ans 39:

Class : Class 10
there is no explanation for 9 , even I suggest it's 8.

Ans 40:

Class : Class 6

Ans 41:

Class : Class 2
i go for 8 its a stupid mistake

Ans 42:

Class : Class 4
It is written 8 in solution and you are sating 9

Ans 43:

Class : Class 5
8 is correct answer

Ans 44:

Class : Class 5
9 is wrong 8 is correct. option D

Ans 45:

Class : Class 10
NO,ITS 9.

Ans 46:

Class : Class 9
answer should be 8

Ans 47:

Class : Class 8
8 is correct answer

Ans 48:

Class : Class 5
8 IS THE CORRECT ANSWER

Ans 49:

Class : Class 8
Answer D is correct Why it's answer is B

Ans 50:

Class : Class 3
8 is the correct answer because you did not mention in the question that we have to count the numbers and letters both.

Ans 51:

Class : Class 4
You guys stop arguing! Its 8 they said BETWEEN R and S so there are only 8 letters. Its only 9 if we count R or S with it

Ans 52:

Class : Class 9
in the solution there are 8 letters but it says " there are 9 letters "Ans : D

Ans 53:

Class : Class 9
everybody the answer is d 8

Ans 54:

Class : Class 9
IT HAS TO BE 8. DO NOT COUNT THE NUMBERS

Ans 55:

Class : Class 6

Ans 56:

Class : Class 3

Ans 57:

Class : Class 5
they are giving wrong ans the ans should be D 8

Ans 58:

Class : Class 7
I hope everyone has a brain

Ans 59:

Class : Class 5
8.

Ans 60:

Class : Class 10
stupid checking mistake .

Ans 61:

Class : Class 9
its 8

Ans 62:

Class : Class 7
The ans is D only

Ans 63:

Class : Class 5

Ans 64:

Class : Class 7
In your solution you have given 8 as the ans, but in options you have given ans is B (9). Please correct because it is misleading the candidates.

Ans 65:

Class : Class 4

Ans 66:

Class : Class 9
the ans is D which is 8

Ans 67:

Class : Class 8

Ans 68:

Class : Class 9

Ans 69:

Class : Class 7
D is the write ans not B

Ans 70:

Class : Class 6
It is 8, SOF has probably miscounted the number of letters, please correct it.

Ans 71:

Class : Class 6
the answer is 8 letters if we interchange 6 with v

Ans 72:

Class : Class 4
IN solution also they are saying there are 8 letters

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Plz explain

Ans 2:

Class : Class 5
How

Ans 3:

Class : Class 4
Please explain

Ans 4:

Class : Class 7
Explain it!!

Ans 5:

Class : Class 4
The total perimeter without taking the two values of x is 40

Ans 6: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 7:

Class : Class 4
Can you please explain the solution

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
give solution

Ans 2:

Class : Class 8
polygons are any shape from a 3 sided triangle to infinite sided infigons so this all are non regular shaped polygons

Ans 3:

Class : Class 5
anwesr

Ans 4:

Class : Class 4
C

Ans 5:

Class : Class 4
Why is there no solution for this question ?

Ans 6:

Class : Class 9
The correct answer is C as polygons are shapes from 3 sides to infinite sides

Ans 7:

Class : Class 9
Answer is D

Ans 8:

Class : Class 9
d

Ans 9:

Class : Class 4
the question is wrong the first shape is a quadrilateral

Ans 10:

Class : Class 6
what is the solution of this?

Ans 11:

Class : Class 5
D

Ans 12:

Class : Class 4
it is wrong

Ans 13:

Class : Class 4

Ans 14:

Class : Class 2
This isn't wrong, anyone. It is option C - Polygons. You should read the synopsis to understand the question.

Ans 15:

Class : Class 5
There is no solutions for these question .

Ans 16:

Class : Class 6
The option is C because a polygon is a shape made up of straight lines. The shapes given above have straight lines so it is a polygon.

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