International Maths Olympiad Forum By SOF Olympiad Trainer - Page 650
  1. Home
  2. /  Forum

User Forum

Ask Your Question
sreehari s from ST THOMAS RESIDENTIAL SCHOOL, TRIVANDRUM,KERALA
Subject :IMO    Class : Class 7

Ans 1:

LAKSHYA PAMECHA from DELHI PUBLIC SCHOOL, Udaipur
Class : Class 7

Ans 2:

ICHALKARANJI from dkte, ichalkranji
Class : Class 8

Ans 3:

Vineet Agarwal from DPS, Gurgaon
Class : Class 5

Ans 4:

Paridhi Umesh Kumar from Seven Square Academy, Thane
Class : Class 7

Ans 5:

Garv Agarwal from Somerville School Noida, Noida
Class : Class 5
how the answer is D?

Ans 6:

Aayush Tripathy from SAI International School, Bhubaneswar
Class : Class 9

Ans 7:

Joshua Sen from Montfort Senior Secondary School, Roorkee
Class : Class 10
d doesn't make sense

Ans 8:

Keshav from RPS , Mahendergarh
Class : Class 7
D

Ans 9:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10

Ans 10:

Ekansh Tandon from Fr Agnel Noida, Indirapuram
Class : Class 9

Ans 11:

santosh katiyar from narayana vidhyalayam, Nagpur
Class : Class 7

Ans 12:

Keshav from RPS , Mahendergarh
Class : Class 7
D

Ans 13:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Post Your Answer

Anjishnu Chakraborty from TIGPS HOOGHLY, Konnagar
Subject :IMO    Class : Class 6

Ans 1:

pranjal kaur from SVISG, DELHI
Class : Class 6
I think the answer is (D)

Ans 2:

Prithanjan Acharyya from Vidyasagar Shishu Niketan, Midnapur
Class : Class 6
I THINK THE ANSWER IS 'D'

Ans 3:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
D is the option cause in other figures atleast 2 are open in same direction.

Ans 4:

Carrie Goyal from OPBMS, Mandi Gobindgarh
Class : Class 7
the correct option is d because in all options at least two open figures are in same direction but in option d all are in different direction

Post Your Answer

Jay Singh from Ekya School, Bangalore
Subject :IMO    Class : Class 4

Ans 1:

Vibhor Mudgal from GBN School, Faridabad
Class : Class 4
700-650=(a) 50

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A as we see that bakery B sold 700 cakes and bakery F sold halfway between 700 and 600, which is 650 cakes. now subtract 650 from 700, which is 700-650=50.

Ans 3:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A as we see that bakery B sold 700 cakes and bakery F sold halfway between 700 and 600, which is 650 cakes. now subtract 650 from 700, which is 700-650=50.

Ans 4:

Vibhor Mudgal from GBN School, Faridabad
Class : Class 4
700-650=(a) 50

Post Your Answer

Shreyas Samant from VPM's Vidya Mandir, Thane
Subject :IMO    Class : Class 5

Ans 1:

Prachi from Holy Child Public school, Faridabad
Class : Class 10
yes, the question is unclear. in many of the questions, it is just like that.

Ans 2:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5

Ans 3:

Krishiv Chandan Sukul from Seven 11 Scholastic School, Mumbai
Class : Class 6
they dont even allow us to post errors!!!!!!!!!!!!!

Ans 4:

ARNAV GANGWAR from Delhi Public School Noida, Noida
Class : Class 5
The question is unclear and if you count the angles there are 4 angles less than 90 degrees which is wrong i think .

Ans 5:

Aditi Saha from Bishops KalyaniNagar, Pune
Class : Class 4
unclear question. There are 3 Acute angles ( Interior) and 1 Exterior Acute angle.

Ans 6:

Ayush chauhan from Modern public school, Bhiwadi
Class : Class 5
there are 4 accute angles

Ans 7:

Rohan TR from Sri Aurobindo memorial school, Bangalore
Class : Class 6
It is c right

Ans 8:

Devasree from Presidium, Ghaziabad
Class : Class 10
C is right

Ans 9:

prarabdh thakur from podar international school, nashik
Class : Class 6
true

Ans 10:

Ayushi Chatterjee from DPS Noida, Noida
Class : Class 5
Questions must be clear whether Interior or exterior angle to be consider?????

Ans 11:

Aaryana from Amaatra Academy, Bangalore
Class : Class 6
unclear question

Ans 12:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
i went to master admin and he said that the the answer is c. master admin is my dads boss's boss's boss.

Ans 13:

Anirudh Bagri from AMNS, Mumbai
Class : Class 7
c is correct

Ans 14:

Yajat Manoj from Vibgyor, Bengaluru
Class : Class 5
of course it is c from master admin

Ans 15:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Question is not clear, it does not specify that only the angles inside the figure are to be measured

Ans 16:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6

Ans 17:

Navya from Gyanshree, Noida
Class : Class 6
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????What is this?

Ans 18:

aarav goyal from delhi public school sector45, gurugram
Class : Class 7
Correct c is right

Ans 19:

Jaytra Lohia from Lotus valley international school, noida, Noida
Class : Class 5
there are 3 angles less the right angle in the figure

Ans 20:

Bhogavalli from Timpany , Visakhapatnam
Class : Class 4
What???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????¿?????????????????????????????????????????????????/??/?????????

Ans 21:

Aditri Sultania from RBK Global School, Mumbai
Class : Class 5

Ans 22:

Harshita Jain from CCA School, Gurugram
Class : Class 7
yes you are right

Post Your Answer

burli bindu from SLATE - THE SCHOOL, vijayawada
Subject :IMO    Class : Class 6

Ans 1:

SAJAL SAROJ LAHKAR from SHRIMANTA SHANKAR ACADEMY, GUWAHATI
Class : Class 8

Ans 2:

Kashish Kathuria from Delhi Public School, Bangalore
Class : Class 9
Option a is actually the answer.

Ans 3:

Parth somani from Daffodils world school, Sikar Rajasthan
Class : Class 7
OPTION A IS NO DOUBTFULLY THE ANSWER

Ans 4:

Carrie Goyal from OPBMS, Mandi Gobindgarh
Class : Class 7
a option

Ans 5:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
option a

Ans 6:

Hitakshi Gupta from Delhi public school, Navi Mumbai
Class : Class 6
Option a is the correct answee

Post Your Answer

sreehari s from ST THOMAS RESIDENTIAL SCHOOL, TRIVANDRUM,KERALA
Subject :IMO    Class : Class 7

Ans 1:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 2:

Anshuman D from MVM, Hyderabad
Class : Class 9
Yeah it is definitely true.

Ans 3:

Rishith Sunil from BVM global, CHENNAI
Class : Class 6
According to their own solution b is a supposed to be correct but the answer given is d???

Ans 4:

Shaashwata Paul from Genesis International School, Hyderabad
Class : Class 8
ans is b.there is a technical problem

Ans 5:

Sharanyaa Tripathi from Uttam school for girls, Ghaziabad
Class : Class 8
Please check, the questions says DIFFERENCE,

Ans 6:

Akriti ANannd from DPS Gaya, GAYA
Class : Class 4

Ans 7:

Saishruti Nair from Shree Swaminarayan Gurukul, Vapi
Class : Class 7

Ans 8:

VYOM VIVEK PATEL from Doon Public School Bhuj, Bhuj Kuchchh
Class : Class 9
here in the 3rd statement it's written that any 2 sides not the other 2 sides.

Ans 9:

Shreyans Mondal from Sri Chaitanya Techno School Kaggadasapura Campus 1, Bengaluru
Class : Class 10
yeah it should be B.

Ans 10:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
U r right

Ans 11:

Tanmay Khandelwal from DPS, BHILAI, BHILAI
Class : Class 7

Ans 12:

Uttalika nanda from B. D. M. International, Kolkata
Class : Class 10
The answer should be b. This sum is there in the IMO Workbook and there the answer is b

Ans 13:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10
hey guys the ans cannot be optiob B because in the second statement it is told that the third side cannot be smaller than the difference of the other two sides that means the third side can be equal or greater than the difference. but it cannot be equal that is why 2nd statement id wrong

Ans 14:

Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Class : Class 8
the second statement is true so, the answer is B

Ans 15:

from Podar International School,Dhule, Dhule
Class : Class 8
The correct answer is b not d

Ans 16:

Darsh Jain from The Vedansh International School, Indore
Class : Class 7
Correct answer is b

Ans 17:

Anuhya A from National Public School, Bangalore
Class : Class 9
B

Ans 18:

Akashdeep Das from Gems Modern Academy, Dubai
Class : Class 8
B is correct, SOF should upgrade their answer. This might mislead students.

Ans 19:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8

Ans 20:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
yeah guys !!!! the answer is B.....not D. it is so obvious, the second statement is true....the solution given by the website makes no sense.!

Ans 21:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
B is correct actually

Ans 22:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The second statement is true so, answer should be option B

Ans 23:

PARTH SETHI from DPS Noida, New Delhi
Class : Class 9
Yes,the second statement is true

Ans 24:

Arkajyoti Das from techno, Cooch Behar
Class : Class 9
Option b

Ans 25:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
The ans is supposed to be b but the website says it is d. I can’t understand how.

Ans 26:

Y Yashaswini from Dps Khajaguda, Hyderabad
Class : Class 8
The answer is actually supposed to be Option B rather than Option D because the second statement is true

Ans 27:

Akriti ANannd from DPS Gaya, GAYA
Class : Class 4

Ans 28:

Ananya Tiwari from Gurukul The School, Ghaziabad
Class : Class 9

Post Your Answer

Pranav from Delhi Public School, Bangalore
Subject :IMO    Class : Class 4

Ans 1:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
Ques is wrongwhen answer is d they've told answer is b

Ans 2:

Parin Gupta from Clarence public school, Bangalore
Class : Class 2

Ans 3:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
d

Ans 4:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
sry they've given a

Ans 5:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 7:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 10

Ans 8:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Ans 9:

L SURYANARAYANA from Javahar vidya Mandir, Ranchi
Class : Class 4

Ans 10:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Ans 11:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Post Your Answer

Mrudul from fiitjee world school ameerpet, Hyderabad
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
It is 36650.

Post Your Answer

Siddhant Gudwani from Modern Vidya Niketan, Sector 17, Faridabad, Faridabad
Subject :IMO    Class : Class 7

Ans 1:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
B is correct.

Post Your Answer

rajib jana from DPS MEGA City, Kolkata
Subject :IMO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Sorry, the answer is D.

Ans 2:

Suryansh Chandrakar from Greenwood high, bangalore
Class : Class 7
its confusing, actually it is supposed to have 5 different notebooks and 3 different pens so 5*3=15

Ans 3:

RACHANA from DELHI PUBLIC SCHOOL, HYDERABAD
Class : Class 4
c

Ans 4:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
a bit confusing

Ans 5:

tanmay srivastava from DPS Noida, Noida
Class : Class 4

Ans 6:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
give solution

Ans 7:

ikshika kumar from MVN SCHOOL, FARIDABAD
Class : Class 7
D) 15

Ans 8:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is C as the question says the combinations of 1 notebook and 1 pen from 5 notebooks and 3 pens, which is 5*3=15.

Ans 9:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Sorry, the answer is D.

Ans 10:

shubham kakkar from bhawan vidyalaya, chandigarh
Class : Class 5

Ans 11:

Aajani Datta from The Samhita Academy, Bangalore
Class : Class 5

Ans 12:

Aajani Datta from The Samhita Academy, Bangalore
Class : Class 5
to get the answer, just do 5 5 5=15

Ans 13:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
The answer is d.

Post Your Answer