International Maths Olympiad Forum By SOF Olympiad Trainer - Page 674
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DIVYA SINGH from ST PATRICK SR SECONDARY SCHOOL, JAUNPUR
Subject :IMO    Class : Class 5

Ans 1:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5

Ans 2:

DIVYA SINGH from ST PATRICK SR SECONDARY SCHOOL, JAUNPUR
Class : Class 4

Ans 3:

Sai Srivardhan from Maharishi Vidya Mandir Chetpet, Chennai
Class : Class 9
THE ANSWER IS A BUT PLEASE CHANGE IT TO 7.81 IN THE QUESTION AS IT IS THE ANSWER

Ans 4:

nimish from Sanskriti school, Undri, Pune, Pune
Class : Class 5

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Amogh R Gowda from National Public School Kengeri, Bengaluru
Subject :IMO    Class : Class 6

Ans 1:

Devang Shukla from Ryan Christian School, Mumbai
Class : Class 9
D

Ans 2:

Ananya Tiwari from Sapphire International School, Ghaziabad
Class : Class 7
according to me, it should be both multiplication and division

Ans 3:

Diya from delhi public school dlf phase-2, GURUGRAM
Class : Class 6
c-division

Ans 4:

Devang Shukla from Ryan Christian School, Mumbai
Class : Class 9
D

Ans 5:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
There re only 2 ways of comparison - by subtraction and by division

Ans 6:

Dipanjana Paul from KENDRIYA VIYALAYA O.F DUM DUM , Kolkata
Class : Class 6
C - Division

Ans 7:

Miraya Agarwal from School of india, Bengaluru
Class : Class 6

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Amogh R Gowda from National Public School Kengeri, Bengaluru
Subject :IMO    Class : Class 6

Ans 1:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 2:

Prisha from DPS, Hyderabad
Class : Class 6

Ans 3:

Aditya from CHIREC, Hyderabad
Class : Class 6
can somebody please explain

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
A Unique circle is always made up of 3 non-collinear point

Ans 5:

Ayushree Barman from Sri Sri Academy, Kolkata
Class : Class 6
Can somebody please explain?

Ans 6:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8
from a centre many circles can be drawn called concentric circles

Ans 7:

Ananya Tiwari from Sapphire International School, Ghaziabad
Class : Class 7
The correct answer for statement 2 is concentric circle. I still don't understand what a unique circle means.

Ans 8:

Raghav Aggarwal from CAMBRIDGE SCHOOL INDIRAPURAM, INDIRAPURAM
Class : Class 7

Ans 9:

Akshara from NPS, Bengaluru
Class : Class 8

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 9

Ans 11:

Pranjal from St aloysius, Bhusawal
Class : Class 6

Ans 12:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8

Ans 13:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
correct answer is b .

Ans 14:

Venneti Bhargav from gyan bharati, New Delhi
Class : Class 7

Ans 15:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
It's not possible to draw a circle through the center. But, what's an unique circle? Please somebody explain.......

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Sayandeep Basu from Delhi Public School, Bengaluru
Subject :IMO    Class : Class 6

Ans 1:

Devang Shukla from Ryan Christian School, Mumbai
Class : Class 9
A

Ans 2:

Devang Shukla from Ryan Christian School, Mumbai
Class : Class 9
A

Ans 3:

Devang Shukla from Ryan Christian School, Mumbai
Class : Class 9
A

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Rayman from Scholars Rosary Senior Secondary school, ROHTAK
Subject :IMO    Class : Class 10

Ans 1:

Riya from Nirmal vidyalaya, Jagdalpur
Class : Class 10
According to me there are 5 such pairs

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anil kumar  from GAIL DAV PUBLIC SCHOOL GAILGAON DIBIYAPUR AURAIYA U.P. 206244, DIBIYAPUR
Subject :IMO    Class : Class 8

Ans 1:

anil kumar  from GAIL DAV PUBLIC SCHOOL GAILGAON DIBIYAPUR AURAIYA U.P. 206244, DIBIYAPUR
Class : Class 8
Ok...i am so sorry for aking this question as i missed the minus sign outside the brackets

Ans 2:

N Khanna from MJKPS, New Delhi
Class : Class 10
C

Ans 3:

Devansh Butan from Birla Vidya Niketan, New delhi
Class : Class 8

Ans 4:

Ketaki Subhash Ghatol from CSA Satara, Satara
Class : Class 8
C BECAUSE AT LAST THE ANSWER IS -(-13/2)=13/2

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Purbasa Panigrahi from Ravindra Bharathi Global School Marathalli, Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

Aryan Jain from greenwood high, Bangalore
Class : Class 5
answer is a

Ans 2:

Arin Mukherjee from Akshar, Kolkata
Class : Class 5
Correct answer is option A .

Ans 3:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is A

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
* 7954 ( option - A ) is the answer *

Ans 5:

Aniruddh Singh from DPS Noida, Ghaziabad
Class : Class 7
The correct answer is a

Ans 6:

Suniska from BWIS, Bangalore
Class : Class 5

Ans 7:

Saksham Arora from DPS, Gurugram 102
Class : Class 9
7954

Ans 8:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 9
aaaaaaaaaaaaaaa is the correct

Ans 9:

Aadya Sathish from SKCHEC, BENGALURU
Class : Class 4
the answer can only be A

Ans 10:

Ishaan Gupta from Cornerstone Public School, Hyderabad
Class : Class 7
Please correct the answer. it is A

Ans 11:

from , rohtak
Class : Class 9
a

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from , Gwalior
Subject :IMO    Class : Class 9

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A Ramakrishna Rao from D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar
Subject :IMO    Class : Class 5

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PAKHI.AGARWAL from DPS Noida, Noida
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
There are two right-angled triangles, a bigger one and a smaller one. If we subtract the area of the smaller one from the area of the bigger one, we will get the area of the shaded region. Therefore, Area of the shaded region is:- 1/2x10x6 - 1x2x10x3 30-15=15 The correct answer is C.

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