International Maths Olympiad Forum By SOF Olympiad Trainer - Page 490
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basant raj from delhi public school, gaya
Subject :IMO    Class : Class 4

Ans 1:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
The correct answer is c

Ans 2:

ANSHUMAN JAIN from emrald heights international school, Indore
Class : Class 4
Anshuman malhotra from mumbai , i got it correct

Ans 3:

sudhish from St Pauls English School, Bangalore
Class : Class 2
Yap, the right answer is C

Ans 4:

Sia Parekh from Pawar Public School, Mumbai
Class : Class 5
I Did not at all understand!!!!!!!

Ans 5:

Aditya Rai from Kv No.1, Surat
Class : Class 5

Ans 6:

Advika Narkar from VIBGYOR High Airoli, Navi Mumbai
Class : Class 5
If you all agree the answer is C You all will get from me a tasty little sherbet candy

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
I agree that the answer is C …………….. Now give me the "Sherbet Candy" Ashmi. Ha Ha Ha !!!

Ans 8:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4

Ans 9:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4

Ans 10:

MYRA RAINA from SANDKRITI SCHOOL BHUKUM PUNE, PUNE
Class : Class 4
Can you please explain how the answer is "c" .

Ans 11:

Zephaniah and Josiah from Gems Modern Academy, Dubai
Class : Class 1

Ans 12:

Sia Parekh from Pawar Public School, Mumbai
Class : Class 5
How the answer is C

Ans 13:

Shubh Gupta from DPS Gurugram Sec 84, Gurugram
Class : Class 4

Ans 14: (Master Answer)

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

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Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Subject :IMO    Class : Class 3

Ans 1:

Rupcha ghosh from st, joseph's english medium school, katwa
Class : Class 6
A

Ans 2:

Harseerat from Saupin's school, Chandigarh
Class : Class 3
A

Ans 3:

Yalini from Agaram public school, Tirupur
Class : Class 4
A

Ans 4:

MAYANK from Jain Public School, REWARI
Class : Class 5
a

Ans 5:

Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Class : Class 4
A

Ans 6:

akshitha from Euroschool, Bengaluru
Class : Class 3
A

Ans 7:

Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Class : Class 4
A

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Yashashree Somdatta Kulkarni from Delhi Public School, Nashik
Subject :IMO    Class : Class 4

Ans 1:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 9
because its asking the unshaded figure not the shaded figure

Ans 2:

Arnav kaul from Chirec, Hyderabad
Class : Class 5
because it is unshaded not shaded.

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Dhruv Garg from Dewan Public School, Meerut
Subject :IMO    Class : Class 5

Ans 1:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
master admin answer

Ans 2:

adithya r from PSBB MS, Chenai
Class : Class 5
I THINK B IS THE ANSWER

Ans 3:

shubhavi Dhondge from NPS, Banagalore
Class : Class 6
b is the correct answer

Ans 4:

Ahoraatra Mondal from GOKHALE MEMORIAL GIRLS' SCHOOL, HOWRAH
Class : Class 4
It's b guys it's b not d

Ans 5:

shreya from Airforce school , Bengaluru
Class : Class 2
Plus there is no solution

Ans 6:

shreya from Airforce school , Bengaluru
Class : Class 2
Bbbbbbbbbbb

Ans 7:

Aniket Amit Kulkarni from Raghavdas Vidayala, Pune
Class : Class 5
why are you writing same sentence

Ans 8:

Anvi Sindhwani from BVM, NAGPUR
Class : Class 5
B is the correct answer and not D

Ans 9:

shubhavi Dhondge from NPS, Banagalore
Class : Class 6
Even I think the answer is B

Ans 10:

Anukarsh Dubey from Parvati Radhakrishna Formara school, Mathura
Class : Class 6
I thought A was the answer but the answer is d

Ans 11:

A Andriya from Lalaji Memorial Omega International School, Chennai
Class : Class 8
b is not the answer but d because in a symetry , both the sides should be opposite .

Ans 12:

Anamkhan Mulla from Navrachna Sama, Vadodara
Class : Class 7

Ans 13:

Aniket Amit Kulkarni from Raghavdas Vidayala, Pune
Class : Class 5
why are you silent you dont`t have head see properly then answer me

Ans 14:

Aniket Amit Kulkarni from Raghavdas Vidayala, Pune
Class : Class 5

Ans 15:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
Guys, it's d.. due to some explanations, I clicked b.... also, the people saying b are wrong as d showed up in my test results

Ans 16:

Aniket Amit Kulkarni from Raghavdas Vidayala, Pune
Class : Class 5
B is only the answer because it is symetry

Ans 17:

Vikruti Jain from Vibgyor Rise, Mumbai
Class : Class 4

Ans 18:

Dhriiti from BCM, Ludhiana
Class : Class 6
The answer is D only

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Dhruv Garg from Dewan Public School, Meerut
Subject :IMO    Class : Class 5

Ans 1:

Aniket Amit Kulkarni from Raghavdas Vidayala, Pune
Class : Class 5
But B answer is also the correct answer

Ans 2:

Shimoni Agarwal from delhi Public School, Moradabad
Class : Class 5

Ans 3:

Pulin Sharma from Marble Arch School, Mumbai
Class : Class 6
According to me the correct answer to this question is D] Because it has a line of symmetry from top to bottom

Ans 4:

DIVISHA.AGARWAL from d.p.s. noida, Noida
Class : Class 5
D is the answer because it is straight but option B is not correct because over here it is slanting , and there is no such symmetry

Ans 5:

Shimoni Agarwal from delhi Public School, Moradabad
Class : Class 5
sorry

Ans 6:

Adway Bachchan from Indian School Sohar, Sohar
Class : Class 5
answer is not b because the lines on top of the letter are horizontal

Ans 7:

saumit from Narayana E-techno, mumbai
Class : Class 5
I say B is also a line of symmetry but the correct answer is D

Ans 8:

Shimoni Agarwal from delhi Public School, Moradabad
Class : Class 5
But B has slanting line of symmetry.The line of symmetry doesn't means only to be strategy

Ans 9:

Rushil Arora from DPS, New Delhi
Class : Class 5
the answer to this question can also be b because option b also has a line of symmetry

Ans 10:

saumit from Narayana E-techno, mumbai
Class : Class 5

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Hrushikesh from , Nagpur
Subject :IMO    Class : Class 7

Ans 1:

RAHUL S ROY from ST.XAVIERS HIGH SCHOOL,VAPI, VAPI,GUJARAT
Class : Class 7
option a is correct as angle pqs is epual to angle qsa +angle ast (alternate interior angle)=70 98=28+x x=98-28 x=70 ast+tsb=180(straight angle) 70+y=180 y=180-70 y=110

Ans 2:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Class : Class 7
i agree

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harnoor from cambridge international school, nawanshahr
Subject :IMO    Class : Class 8

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Megha Hegde from PSBBLLA, Bengaluru
Subject :IMO    Class : Class 7

Ans 1:

Sriyansh from Surabhi , Hosapete
Class : Class 9
It's simple addition and subtraction. The total cost of both toys is 52.45+25.32=77.77 You gave him a hundred rupee note. So you gave him 22.23 rupees morethe actual prize which you would recieve as change. So the answer is 22.23 (100-77.77=22.23)

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EKLAVYA GONDULE from DPS BHILAI, Bhilai
Subject :IMO    Class : Class 5

Ans 1:

amogha from Hindustan international school, chennai
Class : Class 7
B is the correct answer guys, look at the blocks carefully.

Ans 2:

Saanvi Jain from Lotus Valley International School, Noida
Class : Class 5
the answer is d as the line needs to be a proper slant and only i-j is properly slanted

Ans 3:

prarabdh thakur from podar international school, nashik
Class : Class 4
ans is c

Ans 4:

KRITHYA GUPTA from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 7
it should be C

Ans 5:

Mystic Girl from NPS, Bnagalore
Class : Class 6
How is the answer B?

Ans 6:

Pratham Dave from GNS, Bangalore
Class : Class 7
Master answer required

Ans 7:

KRITHYA GUPTA from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 7

Ans 8:

Sinjini Chakraborti from Indus Valley World School , Kolkata
Class : Class 6

Ans 9:

Prajwal Thakur from South Point School, Kolkata
Class : Class 6
The answer should be C

Ans 10:

Rayansh Mishra from VIBGYOR HIGH, Pune
Class : Class 6
All transversal lines look perpendicular

Ans 11:

Yajat Manoj from Vibgyor, Bengaluru
Class : Class 5
right

Ans 12:

Sof Team from Sof Olympiad Trainer Helpdesk, Bangalore
Class : Class 8
do not worry sof will make the same mistake on paper

Ans 13:

Swarnava Pal from Vivekananda Mission School, Haldia
Class : Class 8
It's cofusing

Ans 14:

Aditya Sai Kedarisetty from Sri Kumarans childrens Academy DKS, Bangalore
Class : Class 6
This question is itself wrong..

Ans 15:

Suhani Agarwal from St. Mary's ICSE School, Mumbai
Class : Class 8

Ans 16:

Shreejal moharana from DPS Greater Faridabad, Faridabad
Class : Class 7
b is totally correct just see the blocks carefully

Ans 17:

Jeronee from SBIOA International school, CHENNAI
Class : Class 3

Ans 18:

Rushil Arora from DPS, New Delhi
Class : Class 5
the answer should be C

Ans 19:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
Wrong options SOF.!!!!!! Do you want us to fail

Ans 20:

ARADHYA AGARWAL from NEW ERA PROGRESSIVE SCHOOL, Korba
Class : Class 7
Answer is C

Ans 21:

Niharikaa Pande from BILLABONG HIGH INTERNATIONAL SCHOOL MALAD, Mumbai
Class : Class 6
It is B since GH is not perpendicular by the smallest of angles. EF is perpendicular since if you look at the triangles or 5-sided shapes that are made when lines AB and EF come through a square with an angle not equal to 45 degrees, the sizes are the same. This shows that AB and EF are a pair of perpendicular lines.

Ans 22:

Kanjani Ghonge from Ira Global School, Dombivli
Class : Class 8

Ans 23:

Niharikaa Pande from BILLABONG HIGH INTERNATIONAL SCHOOL MALAD, Mumbai
Class : Class 6

Ans 24:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
ans 7 is right. perpendicular = 90 degree intersecting straight lines

Ans 25:

Sunita from Dps, Greater Noida
Class : Class 6

Ans 26:

Pulin Sharma from Marble Arch School, Mumbai
Class : Class 6
The answer is C] GH Because if we count the blocks in AB then, it's4 If we count the blocks in GH then, it's4 THIS S MY FORMULAE

Ans 27:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 6
Ans is C..... Olympiad Trainer please give master answer or solution.

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NACHIKET KRISHNAN from THE MODERN SCHOOL, FARIDABAD
Subject :IMO    Class : Class 4

Ans 1:

from DAV, Chennai
Class : Class 8
d

Ans 2:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 9
no , its b.

Ans 3:

DHRUV.KHOSLA.4.lvisn from Lotus Valley International School Noida, Noida
Class : Class 4
d

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