International Maths Olympiad Forum By SOF Olympiad Trainer - Page 104
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Rahul from , NOIDA
Subject :IMO    Class : Class 4

Ans 1:

Mohnish S from CMR National Public School, Bengaluru
Class : Class 4
Can you please help with solving this question

Ans 2:

Dhairya Godbole from KLE Eng Medium School, SOLAPUR
Class : Class 6
what is the shortest method to solve this question

Post Your Answer

Rahul from , NOIDA
Subject :IMO    Class : Class 4

Ans 1:

BISWADITYA TRIPATHY from Delhi public school Bangalore east, Bangalore
Class : Class 4
i think instead of length , perimeter should have been mentioned

Ans 2:

Asmi Kumat from SHISHUKUNJ INTERNATIONAL SCHOOL, INDORE
Class : Class 8

Post Your Answer

Rahul from , NOIDA
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

SUBHADEEP MOHAPATRA from DAV PUBLIC SCHOOL , ANGUL
Subject :IMO    Class : Class 4

Ans 1:

Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Class : Class 4
Multiplying by does not mean it is a multiple in inv

Ans 2:

Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Class : Class 4
Fully wrong

Ans 3:

Inaaya from Greenwood High, BANGALORE URBAN
Class : Class 8
The correct answer should be option B.A multiple can never be smaller than the number

Ans 4:

Kabir from GIG International School, Singapore
Class : Class 6
It cannot happenThe multiple of a number is always bigger or equal never smaller

Ans 5:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The correct answer is A part

Ans 6:

Deeksha Mittal from JAYPEE PUBLIC SCHOOL, NOIDA, NOIDA
Class : Class 2

Ans 7:

Kashyap Shankar from NPS, Singapore
Class : Class 6

Ans 8:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7
Answer is B

Ans 9:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
Correct answer should be B.

Ans 10:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Answer should be B. Only negative numbers when multiplied by a positive number is a smaller number. Negative numbers are out of syllabus for 4th grader. Hence the given solution is wrong.

Ans 11:

Aaditva from Vasant Valley School, New Delhi
Class : Class 8
The correct answer is B not A, a multiple is NEVER smaller than the number

Ans 12:

Aanya Dahuja from Suncity World School, gurgaon
Class : Class 7
How can a multiple of a no be smaller than the no itself..? Factor can be smaller, not the multiple

Ans 13:

Kush Bindal from GIIS, India
Class : Class 6
If we sometimes multiply the no. with fraction we can get the multiple smaller than the number. Eg-2 *1/2=1

Ans 14:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6

Ans 15:

Aarav Gupta from Delhi Public School Bangalore East, Bangalore
Class : Class 4
we can get a multiple smaller than the number by multiplying it by a fraction

Ans 16:

Radhika Jain from Sushila Birla Girls' School, Kolkata
Class : Class 5
Yes yes. Negative numbers are not in the syllabus of fourth graders.

Ans 17:

NIRMAY JOSEPH from St Columba's School, New Delhi , New Delhi
Class : Class 9

Ans 18:

Saanvi Sharma from Harvest International , Bangalore
Class : Class 5
the correct answer is B

Ans 19:

Rohan Singhal from Manav Rachna International School, Gurgaon
Class : Class 5
ans should be B please correct it sof

Ans 20:

IAMLOST from ABC, Pune
Class : Class 8

Ans 21:

Ameya Dhuri from Birla Public School, Doha
Class : Class 8
I didn't understand the answer

Ans 22:

saumit from Narayana E-techno, mumbai
Class : Class 5
Verrrrrrrrrrrrry confusing and tricky

Ans 23: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 24:

Darsh Chopra from Shri-G International School, Indore
Class : Class 4
It cannot happen, the multiple of a number is always bigger or equal of the number. It's never smaller. Hence, the correct should be (B)

Ans 25:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
We can't talk about syllabus over here but it's wrong only Saathvik and Shaurya I think you did not read that multiples are equal to or greater than the number itself. And FACTOR are smaller than or equal to the number.

Ans 26:

Aanya Shroff from Billabong High International School, Kanpur
Class : Class 6
Multiples are supposed to be equal to or greater than the number. Multiplying by fractions does not mean that it is a multiple...

Ans 27:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8

Ans 28:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
ANSWER IS B. When we talk of factors n multiples we usually do not talk about negative numbers

Ans 29:

from kalyan, Kalyan
Class : Class 6

Ans 30:

gayathri from NPS, Bengaluru
Class : Class 3

Ans 31:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
The correct answer is B. sof olympiad trainer is wrong.

Ans 32:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6
the solution is taking negative numbers which we dont know

Ans 33:

Shaurya Veer from Army Public School ASC C and C , Bangalore
Class : Class 10
it is not wrong because multiplying by a negative number gives us the result as a number smaller than the original number for example -2*2=-4

Ans 34:

Saathvik Saasthan P from BBHS, Bengaluru
Class : Class 5
it is not wrong because negative numbers' multiples are always lesser than themselves eg. -3x3=-9

Ans 35:

saumit from Narayana E-techno, mumbai
Class : Class 5
I do not know

Ans 36:

Arihaan Adhikari from Modern Delhi International School, Sector 87, Faridabad
Class : Class 8
it should be B as multiplying the numbers gives us greater numbers. Guys mine is also the same

Ans 37:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
YES THIS IS TOTTTALLLLYYYY WRONG

Ans 38:

Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Class : Class 4

Ans 39:

Anvi Prabhu from Lodha World School Thane, Thane
Class : Class 6

Ans 40:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The answer is A part as multiplying a number with a negative number gives a number smaller than the number we took to multiply

Ans 41:

GURNOOR SINGH from DAV PUBLIC SCHOOL, Amritsar
Class : Class 4
THIS SOF IS MORE BETTER THAN MTG

Ans 42:

Siddharth Laxmisha from The Study Lecole Internationale, PUDUCHERRY
Class : Class 8
Negative numbers aren't included in Class 4 syllabus although your answer is correct.

Ans 43:

sauradeep from j v m Shyamali , ranchi
Class : Class 10
MULTIPLES ARE NOT LESS THAN THE NUMBER,THE ANSWER IS GIVEN WRONG

Post Your Answer

Mithran L from The Shishukunj International School, Indore
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

Aaron Podder from ,
Subject :IMO    Class : Class 4

Ans 1:

abhinav from timpany, visakhapatnam
Class : Class 4
Anirudh Bhattacharjee answered correctly.

Ans 2: (Master Answer)

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

Ans 3:

Animesh Mishra from DPS NORTH BANGALORE, BENGALURU
Class : Class 3

Ans 4:

Juheel Savsani from Indo Scots Global School , Pune
Class : Class 4
sooo confusing

Ans 5:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5

Ans 6:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The answer is B. As the sequence is going 12,13,14 and 6,8,10 and 15,12,9

Ans 7:

Aahana Agarwal from NPS Koramangala, Bengaluru
Class : Class 6
Please help me with this question !!!!!

Ans 8:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6

Ans 9:

Saathvik Saasthan P from BBHS, Bengaluru
Class : Class 5
The question itself is wrong.

Ans 10:

IAMLOST from ABC, Pune
Class : Class 8
The sum of numbers in each circle is 33

Ans 11:

Srijita Ghosh from Dav Model School IIT Kharagpur, Kharagpur
Class : Class 3
The number 10 and question mark ? should be interchanged.

Ans 12:

Aayushi Nayak from ROSARY SR SEC SCHOOL, DELHI
Class : Class 5

Post Your Answer

Dhawal K. Borkar from Saraswati Dnyandeep Convent, Arjuni Morgaon
Subject :IMO    Class : Class 4

Post Your Answer

Dhawal K. Borkar from Saraswati Dnyandeep Convent, Arjuni Morgaon
Subject :IMO    Class : Class 4

Post Your Answer

Dhawal K. Borkar from Saraswati Dnyandeep Convent, Arjuni Morgaon
Subject :IMO    Class : Class 4

Post Your Answer

Sarthak from St Anthony Senior Secondary School Hiran Magri Udaipur, Udaipur
Subject :IMO    Class : Class 4

Ans 1:

sreekardatta from Greenwood High, Bangalore
Class : Class 2
98 is correct answer. No I found out.

Ans 2:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4

Ans 3:

Vaibhav from The Millennium School , Dubai
Class : Class 8
The answer is (C) which is 98 cm .

Ans 4:

Divyamsh from The Sky World School, Panchkula
Class : Class 5
sorry i did not put space

Ans 5:

S K Charukhanthan from KV, Bangalore
Class : Class 6
ans:ccccccccccccc

Ans 6:

Sanjana Jennifer Punshi from Pawar Public School Hinjewadi , PUNE
Class : Class 4
sanjana jennifer punshi from puneB 93cm

Ans 7:

sreekardatta from Greenwood High, Bangalore
Class : Class 2
It is 93cm. 8 24 20 13 7 5 16=93 where there is extra 5cm?

Ans 8:

Siddhant Sahay from ryan international School, Ahmedabad
Class : Class 4
correct ans is B 93

Ans 9:

Sanjana Jennifer Punshi from Pawar Public School Hinjewadi , PUNE
Class : Class 4
4c 98

Ans 10:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
B is answer wait let me calculate Oh it is C as the line near 5 cm {unnamed one } is 5 cm so 93 IS RIGHT but PARTIALLY, Dhawal K. Borkar! so 93 plus 5 = 98 cm! GOT IT EVERYONE? YES! SOF is MY EXPLANATION RIGHT? Master Answer tell me answer as this question may come in IMO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 11:

Divyamsh from The Sky World School, Panchkula
Class : Class 5
24 20=4444 5=4949 13=6262 16=7878 8=86now we have to get line of unknown distance's distance8 5=1320-13=7back to question86 7=93Answer B 93 but it is saying answer is c 98 how and where is extra 5 coming from

Ans 12:

Dhawal K. Borkar from Saraswati Dnyandeep Convent, Arjuni Morgaon
Class : Class 4
B 93 cm

Post Your Answer