International Maths Olympiad Forum By SOF Olympiad Trainer - Page 757
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Arihant kumar from Delhi public school,EOK, New Delhi
Subject :IMO    Class : Class 4

Ans 1:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
Answer is D

Ans 2:

Reyansh Garg from Lotus Valley International School, Noida Extension
Class : Class 6
The option is C because a polygon is a shape made up of straight lines. The shapes given above have straight lines so it is a polygon.

Ans 3:

Viaan jain from Dps greater noida, Greater Noida
Class : Class 4
the question is wrong the first shape is a quadrilateral

Ans 4:

Arin Mukherjee from Akshar, Kolkata
Class : Class 5
There is no solutions for these question .

Ans 5:

Deepayan Das from South Point High School, Kolkata
Class : Class 6
give solution

Ans 6:

Adway Bachchan from Indian School Sohar, Sohar
Class : Class 8
polygons are any shape from a 3 sided triangle to infinite sided infigons so this all are non regular shaped polygons

Ans 7:

Aditi kathat from Deens, Bangalore
Class : Class 4

Ans 8:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The correct answer is C as polygons are shapes from 3 sides to infinite sides

Ans 9:

Harshit Krishna from Vivekanand Mission Vidyapeeth, Madhubani
Class : Class 4
C

Ans 10:

Kavish Marwah from Pawar Public School Chandivali, Mumbai
Class : Class 6
what is the solution of this?

Ans 11:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
it is wrong

Ans 12:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
d

Ans 13:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
This isn't wrong, anyone. It is option C - Polygons. You should read the synopsis to understand the question.

Ans 14:

Siddhi singh from GIIS, Banglore
Class : Class 5
anwesr

Ans 15:

Aanya Garg from bombay scottish school , Mumbai
Class : Class 4
Why is there no solution for this question ?

Ans 16:

Myshi bhandari from GMA, Dubai
Class : Class 5
D

Post Your Answer

ANANYA.KUMAR from DPS Noida, Noida
Subject :IMO    Class : Class 5

Ans 1:

Eashta Khodke from Elpro International School Chinchwad Pune, Pune
Class : Class 8

Ans 2:

anushree.agrawal from syna international school, katni
Class : Class 5
c

Ans 3:

Saanvi Bhat from Madhava Kripa English Nursery and Higher Primary School, Manipal
Class : Class 5
i am not understanding the meaning of the dark - coloured lines. Pls help me figure it out.

Ans 4:

Yashika Gupta from Reliance Foundation School, Navi Mumbai
Class : Class 6

Ans 5:

Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Class : Class 8
C

Post Your Answer

Arihant kumar from Delhi public school,EOK, New Delhi
Subject :IMO    Class : Class 4

Ans 1:

Vanshika Gupta from Kulachi Hansraj Model School, Delhi
Class : Class 4

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
No Anuj answer is A A A A A A A A A A A A A A A A A A A A A A A A A A

Ans 3:

Vihaan from Maharahrta, MAHARASHTRA
Class : Class 8
the answer is a. the question is wrong.they should write saved not spend.

Ans 4:

Reyansh Modumudi from Skill stork international school, Warangal
Class : Class 5
c

Ans 5:

Bhavni Oberoi from Amity International School, Visakhapatnam
Class : Class 4
A

Ans 6:

Arav Gupta from Devagiri CMI PUBLIC SCHOOL, Kozhikode
Class : Class 4
Answer is (A) not (C) because we have to -800 not 800 as question says.

Ans 7:

lavanya from bcm chd road, Ludhiana
Class : Class 5
Answer should be A

Ans 8:

Vaishnavi from DPS , Singapore
Class : Class 4
C is answer

Ans 9:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
c

Ans 10:

ARYAN DAS from LOKHANDWALA FOUNDATION SCHOOL, MUMBAI
Class : Class 8

Ans 11:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
c best answer as its written earned

Ans 12:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
OISHIK,lavanya,Atharva, And Mannat AND Harish I agree that answer is A But I do not agree with those who gaveother answers.

Ans 13:

Yash from Dps, Noida
Class : Class 7
The answer A only

Ans 14:

Suryansh Chandrakar from Greenwood high, bangalore
Class : Class 7
It is C because he spent one fifth of it so we have to add 800 because he earnt it.It is showing in the chart after he spent the money.

Ans 15:

Ridan Sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 5
Question framing is wrong here

Ans 16:

Hamsini from Yagappa International School, Thanjavur
Class : Class 4
I think Jeshal is mad

Ans 17:

JESHAL MOHAPATRA from GEMS MODERN ACADEMY, Dubai
Class : Class 4
D

Ans 18:

Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 5
c is the correct answer.

Ans 19:

Shubham Sabat from DOON School, Bhubaneswar
Class : Class 4
correct answer is A

Ans 20:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
The bar graph shows Ravi's savings from January to May. If Ravi spent of the amount of money he saved in April, then how much he earned in that month? A ₹ 3200 B ₹ 800 C ₹ 4800 D ₹ 4000

Ans 21:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
Question is wrongAnswer is actually 'A'They have added 800 when they had to subtract 800 from 4000Therefore, the answer is actually 3200

Ans 22:

Bhavni Oberoi from Amity International School, Visakhapatnam
Class : Class 4
A

Ans 23:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4
Actually the right Anwer is A but many children and admin are saying C so the thing is all about 1/5th money 💴 he spended and how much was left after 800 [the 1/5th of 4000] was subtracted from 4000

Ans 24:

Kushaan kochhar from Vasant Valley school , New Delhi
Class : Class 5
Question is wrong. They should have asked that if he spend 1/5 of what he had earned (they wrote saved instead)

Ans 25:

Bhavni Oberoi from Amity International School, Visakhapatnam
Class : Class 4
Ans should be A

Ans 26:

anay chiraniya from deens academy, Bangalore
Class : Class 5
answer is a

Ans 27:

Meenakshi Sundaram from chinmaya vidyalaya, chennai
Class : Class 4
Earnings cannot be less than savings so the answer is C

Ans 28:

Sanat Chandra Mishra from DPS Kalinga, Bhubaneswar
Class : Class 4

Ans 29:

Shaurya Agrawal from kothari international school, pune
Class : Class 2
ans is a because 4000 -800 is 3200

Ans 30:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
That's what the spent amount should be subtracted.

Ans 31:

Atharva Batra from Modern Delhi Public School, Faridabad
Class : Class 4
if he spent 800,so it should be subtracted from 4000.ans is a

Ans 32:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Ans 33:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
Ans should be A. 4000 has been added with 800 instead of subtracting them.

Ans 34:

Iniyan Lingam T from SBOA School and Junior College, CHENNAI
Class : Class 5

Ans 35:

vamsika from Yuva Bharathi Public school, coimbatore south
Class : Class 5
The correct answer is 'A.3200' as he is spending one-fifth of the money in April then we have to subtract one-fifth of he amount(Rs.4000) he is having and when we subtract the amount Rs.4000 from Rs.800 the answer we will get is Rs.3200 which is in option 'A'

Ans 36:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
ans should be A

Post Your Answer

aatmaj sharma from HAPS HAMIRPUR HP, HAMIRPUR
Subject :IMO    Class : Class 4

Ans 1:

Vaishnavi from DPS , Singapore
Class : Class 4
D

Ans 2:

Shashwat from SPS SAKET NAGAR, Bhopal
Class : Class 7
Explain

Ans 3:

Rozan nirmali from GIIS, japan
Class : Class 7
The correct answer is option D.

Ans 4:

suryansh from sunshine world wide, Goa
Class : Class 7
why

Ans 5:

Haritha from rashtrotthana vidya kendra, bangaore
Class : Class 5
d is the answer

Ans 6:

Aayush Makarand Pandit from GGPS, RATNAGIRI
Class : Class 4

Ans 7:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
I did not understand the question

Ans 8:

Sourangshu Mallick from GIIS, Singapore
Class : Class 2
It can be A) 2431 also

Ans 9:

Arnav Raj from Gaurs international School, Greater Noida
Class : Class 4
Explain

Ans 10:

Nishtha Mishra from BBPS, NEWDELHI
Class : Class 4

Ans 11:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6
didn't understand the question .

Ans 12:

Vanishi Jain from DELHI PUBLIC SCHOOL, Noida
Class : Class 4
Please explain the thinking

Ans 13:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is D because 5946 is greater than 5642

Ans 14:

Nitai Pandey from DAV CENTENARY PUBLIC SCHOOL KUTESHWAR, KATNI
Class : Class 8

Ans 15:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is D because 5946 is greater than 5642

Ans 16:

Saksham from Bloom public school, New delhi
Class : Class 4

Ans 17:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is D because 5946 does not lie between 5642 and 2341.

Ans 18:

Arnav Raj from Gaurs international School, Greater Noida
Class : Class 4

Ans 19:

Vibhu Sharma Rozatkar from billa Bong high, bhopal
Class : Class 4

Ans 20:

Devansh from Narayana E-Techno School , Mumbai
Class : Class 5
Pls explain it clearly and completely

Ans 21:

Sourangshu Mallick from GIIS, Singapore
Class : Class 2

Ans 22:

FIONA SAHA from The Heritage School Rampurhat west Bengal India, Rampurhat Birbhum
Class : Class 4
Explain this question. It's telling 'D'.

Ans 23:

Shreeda Dewangan from Delhi public school , Raipur
Class : Class 5
I DID NOT UNDERSTAND THE QUESTION

Ans 24:

Niteen Jit Sahu from Diya Academy of Learning, Bengaluru
Class : Class 7
It is saying that the number that cannot come at that unfilled place . This is a descending 5649 is smaller than 5946 so it cannot come there. The correct option is D

Ans 25:

Devansh from Narayana E-Techno School , Mumbai
Class : Class 5
Pls explain it clearly

Ans 26:

FIONA SAHA from THE HERITAGE SCHOOL, Rampurhat
Class : Class 4
Please explain

Ans 27:

Vrishank Sai Anand from GEMS Modern Academy, Dubai
Class : Class 9
i don't understand this Question please explain

Ans 28:

Aadithya John Gejo from Airforce school AV camp, Bangalore
Class : Class 4

Ans 29:

Arul Singh Saini from Bal Bharati Public School, Noida
Class : Class 6
D

Post Your Answer

Aryan Mishra from National Public School, Bangalore
Subject :IMO    Class : Class 1

Ans 1:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 2:

atharva mahadeo ghuge from Podar international school, Aurangabad
Class : Class 8
ques and options:Wrong

Ans 3:

D from abc, bangalore
Class : Class 3
A is the correct choice for this question.

Ans 4:

Aditya Marathe from Abhinav Vidyalaya English Medium Primary School, Pune
Class : Class 6
answer is a

Ans 5:

Omairah Mehmood from Mater Dei School, Delhi
Class : Class 7
Option A is the correct answer.How can we rely on the marking method of SOF, when SOF itself cannot provide the correct answer?

Ans 6:

Navya from Vibgyor, Mumbai
Class : Class 2
A is correct option. The MTG learning needs to improve on the test paper. I hope SOF doesn't have these glitches.

Ans 7:

Shubham Singh from Rockwoods High School, Udaipur
Class : Class 5

Ans 8:

Humaira Khan from Jyoti Niketan School, Azamgarh
Class : Class 3

Ans 9:

Humaira Khan from Jyoti Niketan School, Azamgarh
Class : Class 3

Ans 10:

Samanyu from Chandrakanthi public school, Coimbatore
Class : Class 4
A is incorrect.

Ans 11:

ayush kumar from dps noida, delhi
Class : Class 8
why it is saying c answer is a or b I don't understand

Ans 12:

Niraj Singh from dpsnoida, Noida
Class : Class 2
A is correct answer

Ans 13:

Shubham Singh from Rockwoods High School, Udaipur
Class : Class 5
A and B both options are incorrect. Why all people reported only option A and missed option B to report?

Ans 14:

SHRIYANS MAITY from VIDYASAGAR SHISHU NIKETAN, MIDNAPUR
Class : Class 8
ANSWER C IS CORRECT ONLY IF QUESTION IS ASKED WHICH ONE IS THE "CORRECT" OPTION

Ans 15:

Vivaan Kohli from Greenwood High International School, Bangalore
Class : Class 7
Question is to choose the incorrect answer. the answer is B

Ans 16:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
Option A is correct answer. No doubts about it.

Ans 17:

Kaashvi Singh from Aamtra Academy, Bangalore
Class : Class 7
Answer is A

Ans 18:

Advaitt S Koduri from Presidium Noida 31, NOIDA
Class : Class 6
answer is A

Ans 19:

Yash Gopanpallikar from Atul Vidyalaya,Atul, Atul, Dist. Valsad
Class : Class 7
A is the right answer

Ans 20:

Arnav Basu from faps, Bengaluru
Class : Class 6
The answer is A.

Ans 21:

Arnav Basu from faps, Bengaluru
Class : Class 6
option is A.

Ans 22:

Mantavya Sonker from DPS NOIDA, Noida
Class : Class 2
answer is option a

Ans 23:

Shreya R from Global Indian International School, Ahmedabad
Class : Class 3
the solution they are giving is option A. but they have given option c i n correct answer.

Ans 24:

Agrima from Vibgyor, Pune
Class : Class 9
A is the right answer . No doubt about it

Ans 25:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
Omairah is correct.Answer should be Option A .SOF had markedWRONG.Please check the question again.

Ans 26:

ANANYA.SINGH from dps, noida
Class : Class 2
A is incorrect.

Post Your Answer

Aryan Mishra from National Public School, Bangalore
Subject :IMO    Class : Class 1

Ans 1:

Vivaan Kohli from Greenwood High International School, Bangalore
Class : Class 7
B is correct answer

Ans 2:

Ayushmaan Mishra from DePaul school , Berhampur
Class : Class 4
b is correct

Ans 3:

Shubham Singh from Rockwoods High School, Udaipur
Class : Class 5
B

Ans 4:

atharva mahadeo ghuge from Podar international school, Aurangabad
Class : Class 8
ans:B

Ans 5:

D from abc, bangalore
Class : Class 3
B is the correct choice for this question

Ans 6:

Niraj Singh from dpsnoida, Noida
Class : Class 2
Answer B is correct

Ans 7:

DAIWIK SAHA from DUDES N DOLLS, FARIDABAD
Class : Class 8
B is the correct answer.

Ans 8:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
b is right answer

Ans 9:

Ananya from GIIS International school, Pune
Class : Class 4
correct ans should be B

Ans 10:

ayush kumar from dps noida, delhi
Class : Class 8
from class two answer is b

Ans 11:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
Option b is the correct answer

Ans 12:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
B IS THE CORRECT ANSWER

Ans 13:

Niraj Singh from dpsnoida, Noida
Class : Class 2
B is correct answer

Ans 14:

mohib_hussain from DELHI PUBLIC SCHOOL BHILAI, Bhilai
Class : Class 1
correct answer is B

Ans 15:

Siddharth from Delhi Public School, Noida
Class : Class 2
b is right

Ans 16:

Navya from Vibgyor, Mumbai
Class : Class 2
B is correct option. Let's hope SOF has no issues in the actual paper. This must be an inaccuracy in MTG's learning material which SOF site relies on.

Ans 17:

Ananya from NHS, Mumbai
Class : Class 6
correct answer is B and not A as 57 is greater than 31

Ans 18:

Anusha Maity from Saltlake, kolkata
Class : Class 4
25 32 = 57 52 -21 = 31 And 57 31 ∴ 25 32 52 - 21, So B is the correct answer

Ans 19:

Shanaya Siddhartha from Bal Bharati Public School, Navi Mumbai
Class : Class 3
25 32=57. 52-21=31. Thus, 57 is greater than 31.

Ans 20:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
Option A is shown

Ans 21:

Shanaya Siddhartha from Bal Bharati Public School, Navi Mumbai
Class : Class 3
25 32=5752-21=31Thus, 57 is greater than 31.

Ans 22:

Samyuktha from Oakridge, Bangalore
Class : Class 2
B is correct

Ans 23:

Shanaya Siddhartha from Bal Bharati Public School, Navi Mumbai
Class : Class 3
Yes B is the correct answer.You all are correct SOF Olympiad is wrong.

Post Your Answer

Aryan Sirohi from Mount LItera Zee School, Bangalore
Subject :IMO    Class : Class 5

Post Your Answer

ARHAN CHAPLOT from DPS Noida, NOIDA
Subject :IMO    Class : Class 3

Ans 1:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 9
Ans should be 9 as nowhere it is stated that all digits have to be different.

Ans 2:

Purva bhole from Thebishops school, pune
Class : Class 5
answer should be c 9 will represent grater number

Ans 3:

Darshini Chakravarty from Pinnacle High International School, Mumbai
Class : Class 4
C is the correct answer because 9 will make it the greatest no.

Ans 4:

Rishi from sant kabir, vadodara
Class : Class 6
C should be correct answer

Ans 5:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 8
9 is the greatest number

Ans 6:

Arnav Shrivastava from Pallavi Model School , Hyderabad
Class : Class 3
Yes it should be 9

Ans 7:

Kashika Goel from DPS Noida, Noida
Class : Class 7
It is Written 3 different digits 8 is ans

Ans 8:

Anagha from DPS BANGALORE NORTH, Bengaluru
Class : Class 3
This is silly ! 9 will make the greatest number

Ans 9:

Kashika Goel from DPS Noida, Noida
Class : Class 7
8 is the ANSWER as the question is saying 3 different numbers on the board. The numbers on board are 6 ___ 9. The NUMBER 9 HAS BEEN REPATED and the options are option A - 0 option B - 5 option C - 9 and option D - 8. 9 is repeated so leave 9 and see the greatest number it is 8 as we have to leave 9

Ans 10:

Samvita Patil from NHVPS, Bangalore
Class : Class 7
it is 8 because it is saying 3 different digits

Ans 11:

Sriram Kommuri from DPS Riyadh, Riyadh
Class : Class 3

Ans 12:

Anisha agrawal from SM shetty School, mumbai
Class : Class 3

Ans 13:

Arshia Kochhar from Delhi Public School Dwarka , New Delhi, Dwarka
Class : Class 8
8 is the greatest no. to be filled in the blank as we do not have repeat any no.

Ans 14:

Ahaan Chaudhary from DPS Noida Sector- 30, Noida
Class : Class 5
IT IS C BECAUSE ALL THE DIGITS SHOULD BE DIFFERENT

Ans 15:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7
Guys you’ve got one heck of a brain! Are you blind? Can’t you see that they have mentioned that the number formed should be of DIFFERENT digits? 9 HAS ALREADY BEEN MENTIONED IN THE NUMBER!!!!!!

Ans 16:

SHASHWAT YADAV from DELHI PUBLIC SCHOOL, BHOPAL
Class : Class 7
answer is d because no. 9 is already used that makes no.8 the answer.

Ans 17:

EISH GUPTA from CMS, GOMTINAGAR 1, LUCKNOW
Class : Class 4
D is the answer because we have to use different digits to make greatest number.

Ans 18:

Sharvil Joshi from Orchid The International School, Pune
Class : Class 3
9 is the greatest

Ans 19:

Shuddhi Choubey from euro school mumbai, Mumbai
Class : Class 4
8

Ans 20:

Vanij from Sanskriti School, Pune
Class : Class 4
8 is the answer because 3 different digits 6 and 9 are used hence, 8 is the answer

Ans 21:

SAMRIDHI RAJ from DAV MODEL SCHOOL, KHARAGPUR
Class : Class 8
D

Ans 22:

Shuddhi Choubey from euro school mumbai, Mumbai
Class : Class 4
8

Ans 23:

Vijetha Rathore from SM SHETTY INTERNATIONAL, mumbai
Class : Class 3

Ans 24:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
Deaangana,please do not be so mean to say the answer which is CORRECT! or else instead of Deaangana we will call you Karen.

Ans 25:

Vanij from Sanskriti School, Pune
Class : Class 4
If you had a little brain you would be able to solve this question

Ans 26:

Aritrika Khanra from The Cambridge International school , Bangalore
Class : Class 5
the correct answer should be C

Ans 27:

Aryan singh from Seth anandram Jaipuria school, Kanpur
Class : Class 3

Ans 28:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 8
9 is the greatest no.

Ans 29:

ANIMESH BEHERA from TIMPANY, VISAKHAPATTNAM
Class : Class 3
no it should be 8. Read the question carrefully

Ans 30:

Tanishka from Gopalan International School, Bangalore
Class : Class 1
yes it should be 9

Ans 31:

Rajveer from DPS, Bengaluru
Class : Class 3
d

Ans 32:

ayush kumar from dps noida, delhi
Class : Class 8
the answer is d as it has said different digits

Ans 33:

Ishaan Krishna from GIG International school, Singapore
Class : Class 7
D

Ans 34:

Aryan singh from Seth anandram Jaipuria school, Kanpur
Class : Class 3

Post Your Answer

kevin from NSM PUBLICSCHOOL, VIJAYAWADA
Subject :IMO    Class : Class 4

Post Your Answer

kevin from NSM PUBLICSCHOOL, VIJAYAWADA
Subject :IMO    Class : Class 4

Post Your Answer