International Maths Olympiad Forum By SOF Olympiad Trainer - Page 650
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Paridhi from DPS NOIDA, Noida
Subject :IMO    Class : Class 6

Ans 1:

Hritvi from Podar International School, Mumbai
Class : Class 7
option a

Ans 2:

Nisarg Milan Salot from Narayana E-Techno School, Mumbai
Class : Class 8
right option is C

Ans 3:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 4:

animikh from don bosco school , kolkata
Class : Class 6
D

Ans 5:

Ritabrata Das from OPJS, Angul
Class : Class 7

Ans 6:

Pulin Sharma from Marble Arch School, Mumbai
Class : Class 6
According to me the correct answer is C]

Ans 7:

Pulin Sharma from Marble Arch School, Mumbai
Class : Class 6
According to me the correct answer is C]

Ans 8:

Shivansh Pant from National Center For Excellence, Bangalore
Class : Class 10
option b

Ans 9:

Ritabrata Das from OPJS, Angul
Class : Class 7
its option A I guess

Ans 10:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 6
option C is correct so obvios

Ans 11:

Ritabrata Das from OPJS, Angul
Class : Class 7
option a is correct

Ans 12:

Darsh Singh from The Deens Academy, Bengaluru
Class : Class 6
it's D

Ans 13:

Carrie Goyal from OPBMS, Mandi Gobindgarh
Class : Class 7
correct option is D all the options are correct

Ans 14:

Ritabrata Das from OPJS, Angul
Class : Class 7
its option a i guess

Ans 15:

Ayushree Barman from Sri Sri Academy, Kolkata
Class : Class 6

Ans 16:

Daksh Kumar from GCIS, Bangalore
Class : Class 7
THE RIGHT OPTION IS (B)

Ans 17:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
b

Ans 18:

Shivansh Pant from National Center For Excellence, Bangalore
Class : Class 10
sorry option a

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Gireesha from innocent hearts school jalandhar, Jalandhar
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

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

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Gireesha from innocent hearts school jalandhar, Jalandhar
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

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

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Aditya Singh from Vibgyor Haralur Bangalore, Bangalore
Subject :IMO    Class : Class 3

Ans 1:

ayush kumar from dps noida, delhi
Class : Class 6
1000

Ans 2:

ayush kumar from dps noida, delhi
Class : Class 6

Ans 3:

Adrito Roy from Stem world School, Kolkata
Class : Class 4

Ans 4:

ayush kumar from dps noida, delhi
Class : Class 6
hellow crazy kids

Ans 5:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
6*200=1200Discount - 200NetPayment = 1000Return Change = 2000-1000=1000

Ans 6:

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

Ans 7:

Ishan Tripathi from Podar International School , Pune
Class : Class 8

Ans 8:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 8
1000

Ans 9:

ayush kumar from dps noida, delhi
Class : Class 6
fdsdyugfkojnbklknbvgio

Ans 10:

ayush kumar from dps noida, delhi
Class : Class 6
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Ans 11:

Prayaan handel from Billabong high international school, Bhopal
Class : Class 4
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000

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Tanmay from DPS Bhopal, Bhopal
Subject :IMO    Class : Class 3

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from , Bangalore
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

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

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Aniksha Anithan from AmaraJyothi Public School, Bangalore
Subject :IMO    Class : Class 6

Ans 1:

Oscar Maltman from DBSEH, dubai
Class : Class 8
sorry i meant 4900

Ans 2:

Shreyansh Gupta from MVN, faridabad
Class : Class 6
THERE IS NO ANSWER 4900,4800 BLAH BLAH BRUH !!!!!!!

Ans 3:

Shreyansh Gupta from MVN, faridabad
Class : Class 6
stop fighting

Ans 4:

Archita from PSBB, Chennai
Class : Class 7
What is the point in estimating if we are anyway doing the actual subtraction? It makes sense if we round off the numbers 7268 and 2427 to the nearest hundred and then subtract, but that gives 7300-2400 viz.4900

Ans 5:

Krithi Manasvini from Alwin Memorial Public School, Chennai
Class : Class 7
first we should subtract and than estimate

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 9
7268 - 2427 is in bracket . This means first to do subtraction and then estimate the answer to nearest hundreds ...........TRICKY question

Ans 7:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
if we apply BODMAS on this question, it says to solve the brackets first...

Ans 8:

DEEPTANGSHU DATTAGUPTA from DPS South Bangalore, BANGALORE
Class : Class 8
As there is a bracket, it means that we have to find the difference and then estimate the number.

Ans 9:

Saanvi jayna from Step by step world school, Noida
Class : Class 6
A

Ans 10:

aaraadhanaa from innisfree house school, Bangalore
Class : Class 6
A

Ans 11:

Krithi Manasvini from Alwin Memorial Public School, Chennai
Class : Class 7
We have 7268 – 2427 = 4841 Rounded off 4841 to nearest hundred = 4800

Ans 12:

Shreyansh Gupta from MVN, faridabad
Class : Class 6
TH ANSWER IS B AGIAN B

Ans 13:

VEERANGANA SINGH from DPS NOIDA, NOIDA
Class : Class 6
THE ANSWER IS A NOT B

Ans 14:

Carrie Goyal from OPBMS, Mandi Gobindgarh
Class : Class 7
first we will do subtraction of 7268 and 2427 that is 4841 then we will estimate 4841 by nearest 100 which is 4800 and the anser is this first i have also done it according to NCERT but when result came then it was this solution

Ans 15:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 16:

Maadhav from Vibgyor, Bangalore
Class : Class 8

Ans 17:

Aryan Mahanty from Delhi Public School, bangalore
Class : Class 6
it is simple 7268 - 2427 = 4841 rounded to the nearest hundreds = 4800

Ans 18:

Amaaya Singh from JPGS, Jaipur
Class : Class 7
omg seriously? is this a joke?!!

Ans 19:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
WHAT IS THE USE OF ESTIMATING IF WE ARE DOING THE NORMAL SUBTRACTION. THE ANSWER SHOULD BE 4900 AS THE NUMBER 7268 ESTIMATED TO THE NEAREST IS 7300 AND THEE NUMBER 2427 ESTIMATED TO THE NEAREST HUNDRED IS 2400. 7300-2400=4900

Ans 20:

Achintya Lokesh from NPS International School, Singapore
Class : Class 7
The answer is A not B

Ans 21:

Omkar Deshmukh from phoenix greens international school, Hyderabad
Class : Class 7
it should be 4900 as we estimate first than subtract

Ans 22:

Krrish Roy from DPS , Kolkata
Class : Class 9
the ans is 4800

Ans 23:

srivats from psbb, chennai
Class : Class 6
because it is in bracket , we must subtract and then we must round off to nearest hundred

Ans 24:

Navya from Gyanshree, Noida
Class : Class 6
Shreyansh is correct there is no 4800 or anything else,Btw the answer is (a) 10 not (b) 16!!!!

Ans 25:

Shreyansh Gupta from MVN, faridabad
Class : Class 6
bruh of which question are u all talking about there is not a option of 4800,4900... i think the answer should be 10 but its showing b how?

Ans 26:

SKIyer from CNS, Mumbai
Class : Class 6
estimate and then subtract

Ans 27:

Hanan Fathima Shabeer from ,
Class : Class 6

Ans 28:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
It generally mentioned clearly what to do first, the actual subtraction or the estimation by SOF. But here, they asked us to estimate 7268-2427. So,we should first do the actual subtraction. By that the answer is 4800.

Ans 29:

Kavya Gupta from Spring Dale School, Amritsar
Class : Class 7

Ans 30:

anjanikhairwar@gmail.com from S.V.K.M. J.V. PAREKH INTERNATIONAL SCHOOL, Mumbai
Class : Class 4
it means first do subtraction and then estemate

Ans 31:

Omkar Deshmukh from phoenix greens international school, Hyderabad
Class : Class 7

Ans 32:

Drishty Gajankushe from Stepping Stones International , Aurangabad
Class : Class 7
Can any one explain how is the option B 16 correct?

Ans 33:

VYOM VIVEK PATEL from Doon Public School Bhuj, Bhuj Kuchchh
Class : Class 9
The answer must be B)4900 because 7268-2427 = (estimated form) 7300-2400=4900

Ans 34:

ankit from gg, guraon
Class : Class 7
B is not correct it is 10 as when we divide the quetiont results in 11 and when we round that of we will get 10

Ans 35:

Aayushi from Best English school, Ahmedabad
Class : Class 6

Ans 36:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
Exactly….Archita

Ans 37:

malhar thorve from city internqtional school, satara road, pune
Class : Class 7
they told us to round the quotient to nearest tens so the answer is not 16 the answer is 10

Ans 38:

Anusha from LBS School , Kota
Class : Class 10
4900 should be the answer as we have to estimate first

Ans 39:

Aryan Nangia from Sun city world school, Gurgaon
Class : Class 6

Ans 40:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7
Seriously

Ans 41:

Miraya Agarwal from School of india, Bengaluru
Class : Class 5
Answer is A because when you divide 163/14 you get 11. 11 rounded of to the nearest tens is 10

Ans 42:

Pranit Sinha from Montfort School, Roorkee, Haridwar
Class : Class 6
SUBTRACT AND THE ESTIMATE !!!

Ans 43:

Oscar Maltman from DBSEH, dubai
Class : Class 8
guys don't fight people just misunderstood the question also me I got it wrong i put 4800 as i did estimate first then subtract i guess all of us will learn from our mistakes

Ans 44:

Miraya Agarwal from School of india, Bengaluru
Class : Class 5

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Aditya Garg from Mayura School, Jaipur
Subject :IMO    Class : Class 8

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Saumya Samridhi from DELHI PUBLIC SCHOOL, Gurgaon
Subject :IMO    Class : Class 4

Ans 1:

Ashveera Khan from Army Public School Bolarum, Secunderabad
Class : Class 4
D. 80.5

Ans 2:

Saumya Samridhi from DELHI PUBLIC SCHOOL, Gurgaon
Class : Class 8
The answer made by me was the same.The answer in the book is 57.50

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Priyanshu from S. D. Memorial Sr. Sec. School, Gurgaon
Subject :IMO    Class : Class 9

Ans 1:

Rsm from Ehehns, delhi
Class : Class 9
you are taking out average but if you tell you are a girl then you should know the answer

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