International Maths Olympiad Forum By SOF Olympiad Trainer - Page 686

User Forum

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
answer is A only

Ans 2:

Class : Class 6

Ans 3:

Class : Class 10
A

Ans 4:

Class : Class 3
25 15=40A is the answer

Ans 5:

Class : Class 4
nope einstein will say 35

Ans 6:

Class : Class 9
Answer is A part

Ans 7:

Class : Class 4

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 3
No dragonite you are wrong, only 5 letters in the word are symmetrical not 6 : I ,N, A, O, E

Ans 2:

Class : Class 5
MASTER ANSWER!!!!!5 is correct because E also has a horizontal symmetrical line.

Ans 3:

Class : Class 5
answer is 4 because they asked for atleast 1 symmetry line

Ans 4:

Class : Class 6
S

Ans 5:

Class : Class 6

Ans 6:

Class : Class 4
EEEEEEEEEEEEEEEEE.....................!!!!!!!!!!???????????

Ans 7:

Class : Class 6
I agree with virat

Ans 8:

Class : Class 5

Ans 9:

Class : Class 8
The answer is clearly 5=I,N,A,O,E

Ans 10:

Class : Class 5
HAS TO BE A

Ans 11:

Class : Class 5
55555!!!!!:(

Ans 12:

Class : Class 9
I THINK IT IS A. E IS SYMMETRICAL. But Jyoti is also right

Ans 13:

Class : Class 7
I agree with Bharat and Jyoti... e isn't symmetrical

Ans 14:

Class : Class 5
Its b!

Ans 15:

Class : Class 8
letter e is also symmetrical

Ans 16:

Class : Class 5
SOF Olympiad Trainer is wrong. Look carefully. E is symmetrical. I has horizontal line of symmetry

Ans 17:

Class : Class 5

Ans 18:

Class : Class 9
Guys Jyoti mehta from vibgyor high is correct because you see E the gapis lees in one and more in 2 one

Ans 19:

Class : Class 5
Sure shot...... all the 5 letters - I,N,A,O,E... All these letters are symmetrical.... Wrong answer uploaded by the website..... Dissapointed....

Ans 20:

Class : Class 6
We need letters with EXACTLY TWO (2) lines of symmetry. Although "O" has infinite lines of symmetry, LOOK CLOSE WITH YOUR EYES PEELED, it is an oval shape, so only 2 lines.

Ans 21:

Class : Class 7
no its bstop being dumbits b because only i has two lines of symetryo has infinite lines of symetry this is a master answer stop writing 25 ans all were wrongask sof for help please!

Ans 22:

Class : Class 9
options are wrong.6 is the answer

Ans 23:

Class : Class 6
1 will be the correct answer because O has infinite lines of symmetry and the question said that how many of the following figures have exactly 2 lines of symmetry. The perfect answer and explanation.

Ans 24:

Class : Class 7
letter E is also an symmetrical on horizontal axis.

Ans 25:

Class : Class 7
its true.answer should be six !!!

Ans 26:

Class : Class 5

Ans 27:

Class : Class 6
S and E are symmetrical but in this font it is not

Ans 28:

Class : Class 8
Ans is 4

Ans 29:

Class : Class 5
O has infinate lines of symmetry, however in the question it has given „EXACTLY 2 lines of symmetry“

Ans 30:

Class : Class 5

Ans 31:

Class : Class 5
the answer is b - 5 = i,n,a,o,e

Ans 32:

Class : Class 7
6 letters are symmetrical. Letters S, I, N, A, O, E

Ans 33:

Class : Class 5
Answer should be A

Ans 34:

Class : Class 3
Oh E letter is not symmetrical because the gap between to curves is not exactly same focus on E

Ans 35:

Class : Class 6
Answer is a

Ans 36:

Class : Class 7
letter E is also an symmetrical on horizontal axis.

Ans 37:

Class : Class 3
E is not symmetrical because if we see the gap the upper one has a small gap and the lower one has a large gap. That's why there is no symmetriy

Ans 38:

Class : Class 5
A , You all are right

Ans 39:

Class : Class 6

Ans 40:

Class : Class 8
E is a symmetrical letter, but in this font it is not because of width on top and bottom

Ans 41:

Class : Class 5
it is 4 i n o and

Ans 42:

Class : Class 5
how is N symmetrical!!!!!

Ans 43:

Class : Class 6
S

Ans 44:

Class : Class 7
How r we supposed to know such a small difference E is symetrical

Ans 45:

Class : Class 5
5

Ans 46:

Class : Class 5
Let's analyze each letter in the word "MOTIVATE" to determine if it has exactly two lines of symmetry:M: This letter has only one line of symmetry, which is a vertical line passing through the middle of the letter.O: This letter has an infinite number of lines of symmetry, as any line passing through its center will divide it into two identical halves.T: This letter has one line of symmetry, which is a horizontal line passing through the middle of the letter.I: This letter has two lines of symmetry, which are a vertical line passing through the middle of the letter and another passing from the top.V: This letter has one line of symmetry, which is a vertical line passing through the top of the letter.A: This letter has one line of symmetry, which is a vertical line passing through the middle of the letter.T: This letter has one line of symmetry, which is a horizontal line passing through the middle of the letter.E: This letter has zero lines of symmetry, as there is a small gap between the first top two horizontal lines and a big gap between the last two horizontal lines.Also, in the question, SOF has clearly mentioned "which have exactly two lines of symmetry" This line proves that we need to find such an answer which supports and goes in agreement with the question.Therefore, only one letter in the word "MOTIVATE" have exactly two lines of symmetry, which is the "I" letter.I request SOF to correct the answer and give us the missing mark.

Ans 47:

Class : Class 6
The answer shoud be B)1 because O has infinite lines of symmetry and also check the solution and stop being dumb.Also E has also 1 line of symmetry but SOF has given the question.Please read the queston carefully.And they have also given an image so 5 would not be the answer.MASTER ANSWER

Ans 48:

Class : Class 6
S has no line of symmetry, neither horizontal nor vertical ,and it cant be symmetrical by a slanting line.E is also not symmetrical by a horizontal line because the gaps are not equal between them as shown in the picture

Ans 49:

Class : Class 3
The answer should be 5!

Ans 50:

Class : Class 5

Ans 51:

Class : Class 7
Wrong question the answer is 5

Ans 52:

Class : Class 5
yes this sof is really bad and mad

Ans 53:

Class : Class 6
Answer should be A. S is symmetrical.

Ans 54:

Class : Class 5
master . admmin to answer

Ans 55:

Class : Class 6
5- S,I,N,A,O

Ans 56:

Class : Class 8
E has horizontal line of symmetry

Ans 57:

Class : Class 9
Letter E is also symmetrical

Ans 58:

Class : Class 9
this doesn't make sense E is also symmetrical

Ans 59:

Class : Class 6

Ans 60:

Class : Class 6
I agree with Bharat and Jyoti, E is not symmetrical. I know that whenever we write E, like in the font in which I am writing now, it is symmetrical, but as per the question given, the font is different, and so, the letter E is not symmetrical. The curved gaps on top and bottom are very different and they are visible by the naked eye.

Ans 61:

Class : Class 7
No! Letter E is not symmetrical as the upper side of the E has lesser gap than that of its lower side. Therefore the ans is B.

Ans 62:

Class : Class 5
0 alphabets of *exact* two lines of symetry

Post Your Answer

Subject :IMO    Class : Class 9

Ans 1:

Class : Class 5

Ans 2:

Class : Class 9
Can anybody please post the written solution of this sum?

Ans 3:

Class : Class 10

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9
First Term= square and square root = root 2Second term = square root of (root2 -1)^2 = root2 -1The difference of first and second term = 1

Ans 6:

Class : Class 10

Ans 7:

Class : Class 9
HInt Hint: Square and square root the first term and for the second term write it in the form of (root2-1)^2 Then the final answer comes 1 '

Ans 8:

Class : Class 9

Ans 9:

Class : Class 8

Ans 10:

Class : Class 9
can anybody please send me the written solution of the question ?

Ans 11:

Class : Class 9

Ans 12:

Class : Class 9

Ans 13:

Class : Class 9

Post Your Answer

Subject :IMO    Class : Class 1

Post Your Answer

Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A. There are 9 circles as well as triangles.

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
how can it be c///

Ans 3:

Class : Class 8
everyone is right

Ans 4:

Class : Class 4
the answer is either B or C

Ans 5:

Class : Class 10
b is the right answer.FIRST CUT THE DENOMINATOR.THEN CONVERT IT INTO A MIXED FRACTION.YOU WILL GET THE ANSWER

Ans 6:

Class : Class 7
c

Ans 7:

Class : Class 9
ANSWER MUST BE OPTION D , AS WHEN WE SUBTRACT 5/8 FROM 4 THEN WE WILL GET 27/8 WHICH IS EQUAL TO 3 3/8. THE METHOD IS BY DOING CRISS-CROSS MULTIPLICATION.

Ans 8:

Class : Class 8
How is it C C C ??????

Ans 9:

Class : Class 6
I agree D should be answer. 4 - 5/8

Ans 10:

Class : Class 6
The correct answer is c

Ans 11:

Class : Class 8
Hi Mridul you are right you know I was in Shishukunj for 2 years D D D D D Master Answer explain as this question may come in IMO IMO IMO

Ans 12:

Class : Class 4
I think it should be option C as , the question is asking how much is left with her when she has baked. She used 5/8 of the flour to bake and 5/8 of 4kg is 2 ½ kg . 4kg take away 2½ kg equals 1½ kg. So it should be option C.

Ans 13:

Class : Class 4
c

Ans 14:

Class : Class 8

Ans 15:

Class : Class 8

Ans 16:

Class : Class 4
(Master answer) the correct answer is C.

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
It think this is a problem with the code. It worked properly for me. If you are facing further problems you can report the question. P.S- I am not part of the technical team.

Ans 2:

Class : Class 7
Option A

Post Your Answer

Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9
The seven pieces consist of 6 smaller equal pieces and one half cake piece. Weight of each small piece = 20 g. So, total weight of the cake = [2 x (20 x6)]g= 240 g.

Ans 2:

Class : Class 10
240 grams

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
77 is correct answer.

Ans 2:

Class : Class 8

Ans 3: (Master Answer)

Class : Class 1
The correct answer is A.

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
ANSWER IS 13. FROM PATTERN 1 WE GET TO KNOW THAT THE PRODUCT OF SQUARE 1 AND 2 SUBTRACTED BY THE THIRD GIVES OUT THE NUMBER IN TRIANGLE.FOR INSTANCE, 5*4-8=12 3*5-4=11 4*5-7=13.

Ans 2:

Class : Class 7

Post Your Answer