International Maths Olympiad Forum By SOF Olympiad Trainer - Page 807
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Amitava Pushilal from International Schooling, Singapore
Subject :IMO    Class : Class 2

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Jishnu from chirec, Hyderabad
Subject :IMO    Class : Class 3

Ans 1:

Dev Rawat from R D Rajpal School, New Delhi
Class : Class 8
the answer is random access memory

Ans 2:

Dev Rawat from R D Rajpal School, New Delhi
Class : Class 8
the answer is random access memory

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Adithya Bharath M from Manipal School, Mangalore
Subject :IMO    Class : Class 3

Ans 1:

Ayush Banerjee from DAV Pune, Pune
Class : Class 3
denominator is a number in the bottom of a fraction .It is the whole number for which that fraction is written e.g 3/4 the denominator will be 4 because the whole thing is divided into 4 pieces and numarator 3 represents 3 parts.

Ans 2:

Arundhathi from NATIONAL PUBLIC SCHOOL, CHENNAI
Class : Class 6
A Denominator is a number found at the bottom of a fraction. It is the whole number for which that fraction is written.

Ans 3:

Jishnu from chirec, Hyderabad
Class : Class 3
(Denominator)the number below the fractional bar

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Adithya Bharath M from Manipal School, Mangalore
Subject :IMO    Class : Class 3

Ans 1:

ANIKET RAY from DPS ROURKELA, Rourkela
Class : Class 5
numerator is upper part of a fractional number exa-2/3,here 2 is the numerator.

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Abirami from National Public School, Chennai
Subject :IMO    Class : Class 8

Ans 1:

adityak1135@gmail.com from R.N. Podar School, Mumbai
Class : Class 8
I guess that you meant Componendo et Dividendo. This is a very useful property of proportion that states: If a/b=c/d, then, (a+b)/(a-b)=(c+d)/(c-d)

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Karmanya Gupta from DPS, Udaipur
Subject :IMO    Class : Class 4

Ans 1:

Dibyanshu Dibyajyoti Das from TATA DAV Public School, Joda,Keonjhar
Class : Class 5
1/2 x Height x Base

Ans 2:

mohanananda from delhipublicschool, Dhanbad
Class : Class 8
1/2 x height x base

Ans 3:

Charizard from DPS Noida, Noida
Class : Class 10
height x base divided by 2

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abhinav from fitjee world school, Hyderabad
Subject :IMO    Class : Class 10

Ans 1:

arko roy choudhury from dav model school kharagpur, Kharagpur
Class : Class 10
my friend, i think that this will happen like this let us assume that _ =m log 5 =2 m so m ^2=5 so m=sqrt(5)

Ans 2:

Bharjot singh from S.D. Public school, muzaffarnagar
Class : Class 10
5^1/2

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abhinav from fitjee world school, Hyderabad
Subject :IMO    Class : Class 6

Ans 1:

Lakshya Garg from DMI, Meerut
Class : Class 6
1+2+3-2=2+_ Ans. 2

Ans 2:

Saswati Silji Sahoo from Future Bhubaneswar School, Bhubaneswar
Class : Class 8
The answer is 2

Ans 3:

tanmay jha from delhi public school,nerul, Mumbai
Class : Class 3
2

Ans 4:

S.V.Koundinya from Sri Chaitanya School, Hyderabad
Class : Class 7
The answer is 2. It is because 1+2+3-2=4. It is also equal to 2+2. 2+2 is also equal to 4.

Ans 5:

Ritesh Narayan Das from Adamas International School, Kolkata
Class : Class 10
2

Ans 6:

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Class : Class 8
2

Ans 7:

Aditya Birla from New Horizon Public School, Bengaluru
Class : Class 9
the answer is 2

Ans 8:

deepanshu from Deens Acadamy, Bengaluru
Class : Class 6
the answer is 2 .

Ans 9:

joki from xyz school, mumbai
Class : Class 8
1+2+3-2=2+2 SO 2 WILL BE THE ANSWER

Ans 10:

Akul Jindal from Inventure Academy, Bengaluru
Class : Class 9
answer is 2

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Anish Chawla from Cambridge Co-ed School, Jalandhar
Subject :IMO    Class : Class 3

Ans 1:

Arundhathi from NATIONAL PUBLIC SCHOOL, CHENNAI
Class : Class 6
the correct answer is 792

Ans 2:

Yash Venkat.G from Jawahar Vidyalaya Senior Secondary school, Chennai
Class : Class 3
790

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Anish Chawla from Cambridge Co-ed School, Jalandhar
Subject :IMO    Class : Class 3

Ans 1:

Harshada Vyavhare from S.E.M.S, Shevgaon Tal. Shevgaon
Class : Class 3
Given: 1) Pens brought = 458 pens. 2) Pens lost = 78 pens. 3) Pens brought again = 47 pens. Solution: Mr. Joan brought 458 pens but lost 78 of them, Therefore, He has 458 - 78 = 380 pens. But, He again goes to shop and bought 47 pens. So, He has 380+47 = 427 pens. Ans. Mr. Joan has 427 pens.

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