International Maths Olympiad Forum By SOF Olympiad Trainer - Page 791
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Nishtha Pahuja from DPS, Sector45, Gurgaon
Subject :IMO    Class : Class 7

Ans 1:

Nisha Nair from City , Pune
Class : Class 7

Ans 2:

Hitesh Vora from Bunt Sangha's S M Shetty International School , Mumbai
Class : Class 5
how is answer arrived?

Ans 3:

from , Kolkata
Class : Class 9

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Darshan Garg from Sri Chaitanya Techno School, Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

Admin from SOF, Noida
Class : Class 10
Answer : A. 5265
There was a mistake in the options. It has been corrected now.

Solution
Biggest 4 digit number formed from these digits = 8743
Smallest 4 digit number formed from these digits = 3478
Difference = 8743 - 3478 = 5265

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RAJESH DEWANGAN from ,
Subject :IMO    Class : Class 4

Ans 1:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5
Option A 84 m is the right answer. Solution : The area of square is 144 m as given. Hence, the side of square is 12 m. The length of one smaller square in the shaded square is 6 m. Hence the length of the rectangle is 6+6+6+6 =24 the breadth of rectangle is 6+6+6=18 The perimetre of rectangle is 2(l+b) = 2 (24+18) = 2*42 = 84 m

Ans 2:

Vrushti from swami vivekanand english primary school, Mumbai
Class : Class 4
Ans is 84. Area of the square = 12 x 12 = 144 which means 12 is the length of two sides of the square, therefore each side will be 6 and there are 14 sides. Hence the perimeter is 14 x 6 = 84

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Shradha82 from Euro school , Pune
Subject :IMO    Class : Class 4

Ans 1:

Anjala Ambade from ,
Class : Class 4
ans-d

Ans 2:

Reshmi Arora from Lotus valley noida, Noida
Class : Class 4
ooliooli

Ans 3:

Soham Gupta from JSSIS Dubai, Dubai
Class : Class 6

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Agrim Goyal from ,
Subject :IMO    Class : Class 6

Ans 1:

Khush Narwal from ,
Class : Class 6
C

Ans 2:

Rishit Sharma from Nehru World School, Ghaziabad
Class : Class 7
Their answer is wrong

Ans 3:

Admin from SOF, Noida
Class : Class 10
Answer : C We have corrected the answer. Thanks for pointing out the mistake.

Ans 4:

Devang Shukla from Ryan Christian School, Mumbai
Class : Class 9
The answer is C

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kaithabjeetsingh@gmail.com from the shri ram school aravali, Gurgaon
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

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kaithabjeetsingh@gmail.com from the shri ram school aravali, Gurgaon
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

Ans 2:

from , Manesar
Class : Class 7

Ans 3:

manushri from akis, hyd
Class : Class 9

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ADVIKA SINHA from DELHI PUBLIC SCHOOL, Mumbai
Subject :IMO    Class : Class 3

Ans 1:

angshuman mandal from dps ,durgapur, Durgapur
Class : Class 3
ans(A)

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A that is circle

Ans 3:

Sharvi Deshmukh from BRPS, Pune
Class : Class 1
A

Ans 4:

naman from dps noida noida, Noida
Class : Class 5
a circle has 0 straight lines

Ans 5:

Meghav Ladani from zydus school for excellence, ahmedabad
Class : Class 8

Ans 6:

Rijrashwa Sreejith from Devamatha C M I Public School, Thrissur
Class : Class 4
A

Ans 7:

Sanjivani Saha from Chrysalis High, Bangalore
Class : Class 8

Ans 8:

manjula vijay from ,
Class : Class 3
the ans is A because u have to calculate the no. of sides for each figure, subtract no of sides ofsecond fig from 1st

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Pravir Mishra from National Public School, Bengaluru
Subject :IMO    Class : Class 6

Ans 1:

Parth somani from Daffodils world school, Sikar Rajasthan
Class : Class 7
even the admin is not sure about this process

Ans 2:

ARYAN AGRAWAL from NPS KORAMANGALA, BANALORE
Class : Class 8

Ans 3:

mithran from hiranandani foundation school powai, mumbai
Class : Class 5
THIS IS RIDICULOUS

Ans 4:

Garv Agarwal from Somerville School Noida, Noida
Class : Class 4
yeah they are not clear in the solution. maybe the computer is programmed to show the specific lines of not being sure of the process

Ans 5:

aditya arora from Heritage Experiential Learning School, gurugram
Class : Class 8
according to the process the answer should be 14/5 that is 2.8

Ans 6:

Sherlock Holmes from Baker Street, London
Class : Class 9
The solution provided by SOF says - 1/5 ÷ 1/14 = 1/5 x 14 I am not sure about the process. Answer-(B)35This is silly!

Ans 7:

Ishir Jha from Gyan Ganga Global Academy, Rosera
Class : Class 8
Plz explain If an admin can't solve this, then don't expect students of class 6 to solve it.

Ans 8:

Ahan Biswas from National Public School, Bangalore
Class : Class 8
“ I am not sure about the process.”What?

Ans 9:

Swastik from st marys school, new delhi
Class : Class 6
this question was very difficult . the admin doesn't know the process than how can he give it us

Ans 10:

anwesha from delhi public school greater noida, greater noida
Class : Class 6
very bad ... this q cant have the answer out of the given options....

Ans 11:

Ananya Tiwari from Sapphire International School, Ghaziabad
Class : Class 7
Seriously!

Ans 12:

Kushagra Kishore from Chrysalis High, Bengaluru
Class : Class 10
"Not clear about the process"?!

Ans 13:

NYRAH GUPTA from Sat Paul Mittal School, Ludhiana
Class : Class 7
even the admin is not sure of the process.... how do they expect us to solve such difficult questions

Ans 14:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
solution provided by SOF olympiad trainer is not appropriate. please explain

Ans 15:

Aayushi from Best English school, Ahmedabad
Class : Class 6

Ans 16:

Sherlock Holmes from Baker Street, London
Class : Class 9
1/5 ÷ 1/14 = 1/5 x 14 I am not sure about the process. Answer-(B)35

Ans 17:

Parth somani from Daffodils world school, Sikar Rajasthan
Class : Class 7
yes i also hve difficulty in understanding these questions and I think the answer is 2.8

Ans 18:

Shriya Prakash from NPS International, Singapore
Class : Class 6

Ans 19:

Kashish Kathuria from Delhi Public School, Bangalore
Class : Class 9
Why is the solution not clear.I am not understanding this solution. Always I have difficulty understanding these solutions.

Ans 20:

Kaushik N from Everwin Vidyashram , Chennai
Class : Class 7

Ans 21:

Krish from GEMS Modern Academy, Dubai
Class : Class 8
If you solve the problem you get 2.8 not 35. SOF Olympiad Trainer need to explain how they got the solution.

Ans 22:

Sradha Ratheesh from MGM central Public School, Trivandrum
Class : Class 8

Ans 23:

HARSH from ANAND NIKETAN, Ahmedabad
Class : Class 6
can not understand

Ans 24:

NYRAH GUPTA from Sat Paul Mittal School, Ludhiana
Class : Class 7
The admin itself is saying that he is not sure about the process how do u expect us to solve it then?

Ans 25:

MUKIL from SRDF VIVEKANANDA VIDYALAYA, CHENNAI
Class : Class 6
I get 2.8 but the admin is not sure about the process and is saying the wrong answer-35 I need to know how did they get the solution

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Garima Midha from npsi, Singapore
Subject :IMO    Class : Class 5

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