International Maths Olympiad Forum By SOF Olympiad Trainer - Page 690
  1. Home
  2. /  Forum

User Forum

Ask Your Question
from dps, bokaro
Subject :IMO    Class : Class 7

Ans 1:

Debarka Das Gupta from Silchar Don Bosco School, Silchar
Class : Class 7

Ans 2:

ADWIKA from DAV, FARIDABAD
Class : Class 10
THE CORRECT ANSWER SHOULD BE (B) AS AAA PROPERTY DOESN'T EXIST

Ans 3: (Master Answer)

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

Ans 4:

Nivriti from Euro, Mumbai
Class : Class 8
Ans is d

Ans 5:

Shravan from Harvest International School , Bangalore
Class : Class 9
Every answer except c is right

Ans 6:

Karthik Reddy Munnangi from Chirec International School, Hyderabad
Class : Class 7
I think it should be (B)

Ans 7:

Nimish Khandekar from SNBP International School, Pune
Class : Class 10
how

Ans 8:

Sai Srivardhan from Maharishi Vidya Mandir Chetpet, Chennai
Class : Class 9
Yes AAA criterion does not exist

Ans 9:

Aarnavi Mann from Scholars rosary Sr. Sec. School, Rohtak
Class : Class 8
Does anyone really know?

Ans 10:

Y Yashaswini from Dps Khajaguda, Hyderabad
Class : Class 8
I think all options are the correct answers

Ans 11:

Nimish Khandekar from SNBP International School, Pune
Class : Class 10
AAA criterion does not exist

Ans 12:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
I think (B) is correct

Post Your Answer

Paridhi from DPS NOIDA, Noida
Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

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:

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

Ans 15:

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

Ans 16:

Ritabrata Das from OPJS, Angul
Class : Class 7

Ans 17:

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

Ans 18:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 5
option C is correct so obvios

Post Your Answer

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.

Post Your Answer

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.

Post Your Answer

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

Ans 1:

ayush kumar from dps noida, delhi
Class : Class 8

Ans 2:

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

Ans 3:

ayush kumar from dps noida, delhi
Class : Class 8
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Ans 4:

Adrito Roy from A, Kolkata
Class : Class 4

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

ayush kumar from dps noida, delhi
Class : Class 8
fdsdyugfkojnbklknbvgio

Ans 9:

ayush kumar from dps noida, delhi
Class : Class 8
hellow crazy kids

Ans 10:

Ishan Tripathi from Podar International School , Pune
Class : Class 9

Ans 11:

ayush kumar from dps noida, delhi
Class : Class 8
1000

Post Your Answer

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

Post Your Answer

from , Bangalore
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

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

Post Your Answer

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

Ans 1:

Shreyansh Gupta from MVN, faridabad
Class : Class 7
THERE IS NO ANSWER 4900,4800 BLAH BLAH BRUH !!!!!!!

Ans 2:

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

Ans 3:

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 4:

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

Ans 5:

Miraya Agarwal from School of india, Bengaluru
Class : Class 6
Answer is A because when you divide 163/14 you get 11. 11 rounded of to the nearest tens is 10

Ans 6:

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

Ans 7:

ankit from i like peeing, 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 8:

Shreyansh Gupta from MVN, faridabad
Class : Class 7
stop fighting

Ans 9:

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 10:

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

Ans 11:

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 12:

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 13:

Shreyansh Gupta from MVN, faridabad
Class : Class 7
TH ANSWER IS B AGIAN B

Ans 14:

VEERANGANA SINGH from DPS NOIDA, NOIDA
Class : Class 7
THE ANSWER IS A NOT B

Ans 15:

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

Ans 16:

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 17:

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 18:

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 19:

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

Ans 20:

Oscar Maltman from DBSEH, dubai
Class : Class 10
sorry i meant 4900

Ans 21:

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

Ans 22:

Saanvi jayna from Step by step world school, Noida
Class : Class 7
A

Ans 23:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 24:

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

Ans 25:

Hanan Fathima Shabeer from ,
Class : Class 6

Ans 26:

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

Ans 27:

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

Ans 28:

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 29:

Oscar Maltman from DBSEH, dubai
Class : Class 10
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 30:

Maadhav from Vibgyor, Bangalore
Class : Class 8

Ans 31:

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 32:

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 33:

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

Ans 34:

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

Ans 35:

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

Ans 36:

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 37:

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

Ans 38:

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

Ans 39:

Shreyansh Gupta from MVN, faridabad
Class : Class 7
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 40:

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

Ans 41:

Aayushi from Best English school, Ahmedabad
Class : Class 6

Ans 42:

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

Ans 43:

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

Ans 44:

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

Post Your Answer

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

Post Your Answer

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

Post Your Answer