International Maths Olympiad Forum By SOF Olympiad Trainer - Page 678
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Maitri Hegde from abhinav vidyalay, Pune
Subject :IMO    Class : Class 4

Ans 1:

SAMBIT BHATTACHARJEE from THE HERITAGE SCHOOL, KOLKATA
Class : Class 5
Please explain how option D is correct

Ans 2:

Aalap Dasgupta from MGM Senior Secondary School Sector 6 , Bhilai
Class : Class 4

Ans 3:

AMRITA DAS from GEMS MODERN ACADEMY, DUBAI
Class : Class 5

Ans 4:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5
It should be D because AB does not show the mirror of the other side but if you tilt it a little bit you can see GH makes the mirror half of the image.

Ans 5:

Hardik from Dasmesh public school kotkapura, Kotkapura
Class : Class 4
I think the answer should be A. Plz check and comfirm it

Ans 6:

Aayman from DPS NOIDA, Noida
Class : Class 4
D

Ans 7:

Kunjan goel from The billabong high school, Bhopal
Class : Class 5
please explain how.

Ans 8:

Ishan Bhatted from The Indian School, New Delhi
Class : Class 8

Ans 9:

sudhish from St Pauls English School, Bangalore
Class : Class 2
And there is no solution for this question

Ans 10:

Sripriya Rajagopalan from BVRTSE , Pune
Class : Class 8
Can you please explain the answer

Ans 11:

AMRITA DAS from GEMS MODERN ACADEMY, DUBAI
Class : Class 5
How is it D

Ans 12:

Soumit Saha from DonBosco ParkCircus, Kolkata
Class : Class 4
Can you please explain the answer?

Ans 13:

Siddhi singh from GIIS, Banglore
Class : Class 5
a is the right anwser

Ans 14:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The correct answer is D

Ans 15: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 16:

Devansh from Narayana E-Techno School , Mumbai
Class : Class 5
Pls explain it

Ans 17:

AMRITA DAS from GEMS MODERN ACADEMY, DUBAI
Class : Class 5
How is it D

Ans 18:

Sashrika Pasunoori from KV Gachibowli, Hyderabad
Class : Class 5
Looks like Admin knows the correct answer and the master answer all the time. But sometimes he may be wrong.

Ans 19:

Malavya Chaturvedi from Study Hall, Lucknow
Class : Class 8
Please explain your answer.

Ans 20:

Siddhi singh from GIIS, Banglore
Class : Class 5
the right anwser is D

Ans 21:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
Calm down. To understand this, you need to know the definition of 'symmetryical line', which is the line that divides a figure into a mirror image, and if you place a mirror along the line of symmetry, it should show the other side correctly, a reflection of the other side. AB doesn't divide this figure into a mirror image of each half, but it you tilt it along GH, it shows a mirror image. Concentration is all that was needed.

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Rishabh Patel from OPJS, Raigarh
Subject :IMO    Class : Class 6

Ans 1:

Abhishri Dwivedi from gems modern academy , Dubai
Class : Class 6

Ans 2:

anjana gupta from Arman vikram birla institution of learning, Haldwani, Haldwani
Class : Class 4

Ans 3:

anjana gupta from Arman vikram birla institution of learning, Haldwani, Haldwani
Class : Class 4

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

Ans 5:

TANVI D MARGHADE from PODAR INTERNATIONAL SCHOOL POWAI, MUMBAI
Class : Class 6
wrong q

Ans 6:

anjana gupta from Arman vikram birla institution of learning, Haldwani, Haldwani
Class : Class 4
please explain thisquestion

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Vinav P from cs academy , Erode
Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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N R MISHRA from k v 2 kalpakkam, chennai
Subject :IMO    Class : Class 8

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N R MISHRA from k v 2 kalpakkam, chennai
Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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N R MISHRA from k v 2 kalpakkam, chennai
Subject :IMO    Class : Class 8

Ans 1:

Ayham from Al Ain Juniors School, Al Ain
Class : Class 5
B

Ans 2:

N R MISHRA from k v 2 kalpakkam, chennai
Class : Class 8

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Jayanth from The Deens Academy, Bengaluru
Subject :IMO    Class : Class 1

Ans 1:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
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Ans 2:

Archit Sanyal from Manav Rachna International , Gurgaon
Class : Class 5
Where is pattern 4

Ans 3:

Kashika Goel from DPS Noida, Noida
Class : Class 7
in the 1st figure 3 matchsticks make 1 whole triangle 3 triangles are there in 1st figure means 9 matchsticks in total. In 2nd figure 6 triangles are there means 18 matchsticks in total. In 3rd figure 9 triangles are there means 27 matchsticks in total. Now the series is 9, 18, 27 you are increasing by 9. So 27 plus 9 is 36. You got pattern 4 so add 18 and 36 which is 54

Ans 4:

Aayman Aamir from DPS NOIDA, Noida
Class : Class 3

Ans 5:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
exactly

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Ans 7:

Kashika Goel from DPS Noida, Noida
Class : Class 7
you have to find the pattern 4 yourself

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S SAHITHYAA RAMAN from Padma Seshadri T Nagar, Chennai
Subject :IMO    Class : Class 6

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S SAHITHYAA RAMAN from Padma Seshadri T Nagar, Chennai
Subject :IMO    Class : Class 6

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S SAHITHYAA RAMAN from Padma Seshadri T Nagar, Chennai
Subject :IMO    Class : Class 6

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