International Maths Olympiad Forum By SOF Olympiad Trainer - Page 423
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Kavitharini Joseph from HUS, Chennai
Subject :IMO    Class : Class 5

Ans 1:

Atrijo Roychoudhury from ST. Augustine Day School, Barrackpore, Ichapur
Class : Class 5
yes i agree

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B because Mini finished her homework at 12:5 pm and it took her 35 minutes, so 12:5-0:35=12:05 pm-0:35=11:65 am-0:35=11:35 am, which is her starting time. Before 12 noon it's am and after 12 noon it's pm.

Post Your Answer

Ashish Mediratta from GIIS, Singapore
Subject :IMO    Class : Class 5

Ans 1:

Prateeshtha Ghosh from Samhita Academy, Bangalore
Class : Class 8
B

Ans 2:

Madhav B Nair from Bhavans Adarsha Vidyalaya, Kakkanad, Kochi
Class : Class 5

Ans 3:

Aarav Hitesh Parikh from Gopal Sharma International School, Mumbai
Class : Class 6

Ans 4:

Kanzah fatimah from Tagore international school, New delhi
Class : Class 6
(B)

Ans 5:

Nivesh from Hiranandani Foundation International, Chandivali Andheri east Mumbai
Class : Class 6
B

Ans 6:

Pratham Dave from GNS, Bangalore
Class : Class 7
B is the answer to this question

Ans 7:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 7
Option B is the correct answer.

Ans 8:

Aarya Teja from Bharatiya Vidya Bhavans Public School, Hyderabad
Class : Class 6
(b)

Post Your Answer

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Subject :IMO    Class : Class 6

Ans 1:

Ashmi Narkar from VIBGYOR High, Airoli, Navi Mumbai
Class : Class 6
But the diagonals when they cut they form a perpendicular bisector so both b and c should be answer, Souvagya

Ans 2:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
There seems to be an error because the synopsis tells that the answer should be (c), but her it shows that the answer is (b). Please explain- Shourya Ganesh

Ans 3:

Ritabrata Das from OPJS, Angul
Class : Class 7
explain to me pls.

Ans 4:

Pranit Sinha from Montfort School, Roorkee, Haridwar
Class : Class 6
The lines of symmetry in a rhombus are from a vertex to the opposite vertex. So there will be two lines of symmetry.⇒ Two lines of symmetry are it's diagonals.

Ans 5:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 8
shourya ganesh the ans. should be option B only because when we join the opposite vertices or draw the diagonals we get the symmetrycal line of the rhombus

Ans 6:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
i think the answer is B.I too have a doubt

Ans 7:

Oscar Maltman from DBSEH, dubai
Class : Class 7

Ans 8:

Anamkhan Mulla from Navrachna Sama, Vadodara
Class : Class 7

Ans 9:

Karmanya Gupta from DPS, Udaipur
Class : Class 8

Ans 10:

NYRAH GUPTA from Sat Paul Mittal School, Ludhiana
Class : Class 7
Please explain the correct ans

Ans 11:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 8

Ans 12:

Mayank Pati from Krishna Public School Dunda Raipur, Raipur
Class : Class 8
TH SYNOPSIS TELLS US THAT OPTION {C} IS CORRECT BUT THE CORRECT ANSWER GIVEN IS OPTION{B} . PLEASE VERIFY.

Post Your Answer

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Subject :IMO    Class : Class 6

Ans 1:

Rithvik and Sanjana from PSBBSSS, Chennai
Class : Class 5
there are only two parallel lines

Ans 2:

Ashmi Narkar from VIBGYOR High, Airoli, Navi Mumbai
Class : Class 6
Easy peasy lemon squeezy! Answer is 2 BUT SOF why you are showing WRONG?SOF RECORD NO. OF MISTAKES DONE BY YOU! THIS IS WRONG!!!! Answer shown is C but then there are only two parallel lines. SOLUTION CORRECT BUT ANSWER WRONG!!!!!!!!!!!!!! THAT"S WRONG!

Ans 3:

Anamkhan Mulla from Navrachna Sama, Vadodara
Class : Class 7

Ans 4:

Shreyas V Poojary from Sri Sri Ravishankar Vidya Mandir , Bangalore
Class : Class 8

Ans 5:

Deepak Iyer from HFS Powai, Mumbai
Class : Class 7
does not make sense

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 7
Yes in the solution also they are saying there are two pairs of parallel lines There are two pairs of parallel lines

Ans 7:

ARNAV JAIN from Somerville school, noida
Class : Class 6
There are only 2 pairs of parallel lines in the given figure

Ans 8:

Mishika Pal Choudhury from Delhi Public School, Vasant Kunj, New Delhi
Class : Class 6

Ans 9:

Kumar Krishiv from Apeejay School, Noida
Class : Class 8

Ans 10:

Aditya Sai Kedarisetty from Sri Kumarans childrens Academy DKS, Bangalore
Class : Class 6
it is 2 ,,, they are wrong

Ans 11:

Swastik Sharma from Modern Vidya Niketan 17, Faridabad, Faridabad
Class : Class 8
Yes ,in the solution it is written only two pairs but in the answer key it is written 3 pairs.Now my score in this test 55/60

Ans 12:

Shaurya from Mris 51 Gurugram, Gurugram
Class : Class 7
What you call this is Pagalpanti I am just joking dont take it seriously because I know that this is a public form

Ans 13:

Nimisha Tambe from Narayana vidyalayam, Nagpur
Class : Class 8
it is showing ans is C but in solution only 2 pairs are shownwhat is this??????????

Ans 14:

Aanya from DAV, Gurgaon
Class : Class 8
There are 3 three pairs of parallel lines. One is the smallest line in the figure joining the two lines.

Ans 15:

Dhruva Rojekar from Bombayscottishschool , Mumbai
Class : Class 7
there are only two parallel lines

Ans 16:

ARNAV JAIN from Somerville school, noida
Class : Class 6
OF COURSE 2 PAIRSEASY PEASY

Ans 17:

Shaman Amin from SDM school, Mangalore
Class : Class 8
There are only 2 PAIRS of line which are parallel

Ans 18:

Swastik Sharma from Modern Vidya Niketan 17, Faridabad, Faridabad
Class : Class 8
yes the answer should be a because in the solution it is written that 2 pair of parallel lines are there and they are saying that the answer is c which has 3pair of parallel lines .now the score of my test is 54/60.The answer should be ( a )option

Ans 19:

Mishika Pal Choudhury from Delhi Public School, Vasant Kunj, New Delhi
Class : Class 6
God! SOF is making so many mistakes! Now my score is 54. In IEO and NSO also there were a lottttttttttt of mistakes

Ans 20:

Kumar Krishiv from Apeejay School, Noida
Class : Class 8
HOW IS THIS POSSIBLE!!!

Ans 21:

nandini from father agnel school, Noida
Class : Class 7

Post Your Answer

Sarakshi Pani from JHTS, JAMSHEDPUR
Subject :IMO    Class : Class 5

Post Your Answer

Sarakshi Pani from JHTS, JAMSHEDPUR
Subject :IMO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Options are wrong.

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6

Post Your Answer

Shayan Bari from Kendriya Vidyalaya, Katihar
Subject :IMO    Class : Class 6

Ans 1:

Rahul Wariar from Private International English School, Abu Dhabi
Class : Class 1
Every natural number will be a whole number. ex- 1,2,3,4,5,6... (natural numbers) are all whole numbers.However, every whole number is not a natural number.

Ans 2:

Shaurya Veer from Blooming Dales International School, Sri Ganganagar
Class : Class 8

Ans 3:

Iniya from DIMENSIONS International College, Singapore
Class : Class 6
why is it B? 🧐

Post Your Answer

Kavitharini Joseph from HUS, Chennai
Subject :IMO    Class : Class 5

Ans 1:

Prateeshtha Ghosh from Samhita Academy, Bangalore
Class : Class 8
28 into 5 + 14

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because the number of words Veronica can type is (28 X 5)+28/2=140+28/2=140+14=154.

Post Your Answer

Rama Panda from tathva, tokyo
Subject :IMO    Class : Class 4

Post Your Answer

Rama Panda from tathva, tokyo
Subject :IMO    Class : Class 4

Ans 1:

Shilpi Jain from Lovely public international school, Delhi
Class : Class 7
228

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 7
Chill Man !!! The answer is B - 228

Ans 3:

Edhita Srivastav from New Horizon Gurukul, Bangalore
Class : Class 4
The Answer is 228

Ans 4:

PRAANVI SINGH from DELHI PUBLIC SCHOOL , Singrauli
Class : Class 4
B (228) ans

Ans 5:

Rozan nirmali from GIIS, japan
Class : Class 3
The correct answer is option B.

Ans 6:

JESHAL MOHAPATRA from GEMS MODERN ACADEMY, Dubai
Class : Class 4
228 Guys!228

Ans 7:

Sudhanva Hariharakatte Pavamana from VSS IPS, Bangalore
Class : Class 4
228 is the answer

Ans 8:

Shreeraj from ISWK, Muscat, Muscat
Class : Class 4
Option B

Ans 9:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
sooooooooooooooooooooooooooooooooo0oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo easy b- 228

Post Your Answer