International Maths Olympiad Forum By SOF Olympiad Trainer - Page 511
  1. Home
  2. /  Forum

User Forum

Ask Your Question
sulakshna from gillco international y, punjab
Subject :IMO    Class : Class 5

Ans 1:

Mahi from BIS , delhi
Class : Class 5

Ans 2:

Reansh Mukherjee from Meridian School, Hyderabad
Class : Class 5

Post Your Answer

Soham Garg from Mris, Faridabad
Subject :IMO    Class : Class 3

Ans 1:

hardikboora from nkbpsdwarka, dwarka mor
Class : Class 3
30

Ans 2:

hardikboora from nkbpsdwarka, dwarka mor
Class : Class 3
30

Post Your Answer

Vihaan Binaykia from Riverside, AHMEDABAD
Subject :IMO    Class : Class 3

Ans 1:

Dipti from Sai International , Bhubaneswar
Class : Class 3
It should be 14. Not 15. As the numbers would be-2,12,20,21,22,23,24,25,26,27,28,29,32,42.

Ans 2:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
The answer is b,14 because between 1 to10 1 time, 11 to 20 2 times, 21 to 30 9 times , 30 to 40 1 time, 41 to 50 1 time. Now if we add all of them we get 14. So the answer is 14.

Ans 3:

Azza Maryam from Birla Public School , Doha
Class : Class 3
it has to be 15, 2 is repeated in 22

Ans 4:

Arpit Gupta from Treamis World School, Bengaluru
Class : Class 5
14 is the answer

Ans 5:

Eshan Ghosh from Don Dosco, Berhampore
Class : Class 3
j,bhkn,.j.jk,jj.kjmjkjkjkjk

Ans 6:

Manoj Sohan Gajula from Vibgyor High, Bangalore
Class : Class 7
14

Ans 7:

Kavyam Rustagi from Delhi Public School, Ethalbari , Binnaguri
Class : Class 4
14

Ans 8:

Advait Apte from SSRVM, Pune
Class : Class 4
The correct answer is 15,as 22 contains 2 times 2

Ans 9:

Raghav from Gems wellington school, Doha
Class : Class 6
It should be 15 because numbers are2,12,20,21,22,23,24,25,26,27,28,29,32,42.

Ans 10:

Vivaan gulati from Nps international singapore, Singapore
Class : Class 3
its 15!

Ans 11:

Vivaan gulati from Nps international singapore, Singapore
Class : Class 3
hey raghav

Ans 12:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
the answer should 14 because as the numbers would be -2 12 21 22 23 24 25 26 27 28 32 42 -14 0nly because it cannot go after 50

Ans 13:

hardikboora from nkbpsdwarka, dwarka mor
Class : Class 3
15

Ans 14:

Afeefa from Afeefa, Bhubaneshwar
Class : Class 4
should be 14

Ans 15:

Eshan Ghosh from Don Dosco, Berhampore
Class : Class 3
I am also getting 14 but I did wrong😠😠😠👹👹👹👹👹

Ans 16:

Ayush kumar from Sunbeam school Indiranagar, Varanasi
Class : Class 5

Ans 17:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
14

Post Your Answer

Vihaan Binaykia from Riverside, AHMEDABAD
Subject :IMO    Class : Class 3

Ans 1:

Reyansh Bhandari from Neev Academy, Bengaluru
Class : Class 3
Remove this question. The images are not clear and just confusing!! It doesn't test anything.

Ans 2:

hardikboora from nkbpsdwarka, dwarka mor
Class : Class 3
C

Ans 3:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
a

Ans 4:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
C

Ans 5:

Shreeda Dewangan from Delhi public school , Raipur
Class : Class 5
correct answer is a

Ans 6:

Aaradhya Rai from SSRVM BANGALORE NORTH , Bangalore
Class : Class 4

Ans 7:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
The answer is a because it is 60 and not c. C is 59.

Ans 8:

Divyamsh from The Sky World School, Panchkula
Class : Class 5
c

Ans 9:

Aayansh Mishra from DPS Gr NOIDA, Gautam Buddha Nagar
Class : Class 3

Ans 10:

Kshitij Garg from MODERN VIDYA NIKETAN, FARIDABAD
Class : Class 4

Ans 11:

Rayan Hasan from Delhi public school, Gurgaon
Class : Class 3
The question was so unclear.

Ans 12:

mystic bro7pro from arbor school, Hyderabad
Class : Class 5
c

Ans 13:

Aashvi Sriganesh from Innisfree House School, Bengaluru
Class : Class 4
The picture is so unclear. Question is not fair. I marked A (60) because the question showed the temperature as between 78 and 79.

Ans 14:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
A

Ans 15:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
The answer is a as a is 60 and not c. C is 59 so it cannot be the answer. Please change the answer which you have written in correct answer.

Ans 16:

AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Class : Class 9
A

Ans 17:

Hiza Goel from MRIS-14, Faridabad
Class : Class 3
THE IMAGE SHOWS THE TEMPERATURE AS 78.5 .. THE IMAGE IS NOT CLEAR.. QUESTION IS IN C NOT F.. ANSWER GIVEN IN SOLUTION IS IN F.. OPTIONS ARE ALSO MISTAKEN

Ans 18:

Aditri Dixit from TCIS, Bangalore
Class : Class 3
C is the correct answer

Ans 19:

Sushama Saroj from Studyhall, Lucknow
Class : Class 3

Ans 20:

Sushama Saroj from Studyhall, Lucknow
Class : Class 3
c

Post Your Answer

Vihaan Binaykia from Riverside, AHMEDABAD
Subject :IMO    Class : Class 3

Ans 1:

Aditya Jhiriwal from Indus world school, Indore
Class : Class 3
But its answer is 4

Ans 2:

Eklavya Gondule from DPS Bhilai, BHILAI
Class : Class 7
4 is correct answer

Ans 3:

Shriya Rathod from Billabong International High school , Vadodara
Class : Class 4
Geet modi is a genius

Ans 4:

mithil kadam from podar, pune
Class : Class 3
correct answer is 4

Ans 5:

Mokshada from Krishna English medium school , Karad
Class : Class 8
yes answer is 4 from Mokshada sikachi

Ans 6:

Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru
Class : Class 8
answer is 4

Ans 7:

Kavyam Rustagi from Delhi Public School, Ethalbari , Binnaguri
Class : Class 4

Ans 8:

Rayan Hasan from Delhi public school, Gurgaon
Class : Class 3
Answer is 4

Ans 9:

Riva Patel from Walsingham House School, Mumbai
Class : Class 4
answer is 4

Ans 10:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7
Ans is 4

Ans 11:

Kavyam Rustagi from Delhi Public School, Ethalbari , Binnaguri
Class : Class 4
The correct answer is 4

Ans 12:

GEET MODI from oahss, Bangalore
Class : Class 3
the answer is six because 10-4

Ans 13:

Pareekshith Vidhwan from Candou5 Education Academy , Bangalore
Class : Class 3
Answer is 4 because when multiple with 23 by 14 we 322

Ans 14:

GEET MODI from oahss, Bangalore
Class : Class 3
answer is 4

Ans 15:

Agriye Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 4
CORRECT Answer is 4

Ans 16:

Inesh Biswas from Adamas International School, Kolkata
Class : Class 6
correct answer is 4

Ans 17:

Vishal Garg from Campion , Bhopal
Class : Class 3

Ans 18:

Aishwaryo Ayushman Panda from ODM PUBLIC SCHOOL, BBUBANESWAR
Class : Class 7

Ans 19:

Pranaya Chaudhary from Springdales School Dubai , Dubai
Class : Class 3
The answer is 4 but they said the value of Q is dash less than 10.

Post Your Answer

Prachi from Holy Child Public school, Faridabad
Subject :IMO    Class : Class 4

Post Your Answer

Pragun goel from Venkateshwar International School, Delhi
Subject :IMO    Class : Class 5

Ans 1:

Arunava hury from KV1 saltlake , Kolkata
Class : Class 6
Option B)

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B because 3645279+2153467=5798746. 5798746 will be rounded to its nearest ten thousand, which is 5800000, since 98746 will be rounded to nearest ten thousand, which is 100000, 1 will be carried to the lakhs place, or, you can say that 3645279 and 2153467 will be rounded to the nearest ten thousand, which will be 3650000 and 2150000, respectively. 3650000+2150000=5800000.

Post Your Answer

Shruti Hegde from Mount Litera Zee school, Bengaluru
Subject :IMO    Class : Class 8

Ans 1:

svayumbhu sharma from jodhamal public school, jammu
Class : Class 9

Ans 2:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8
the answer is 4!!!

Ans 3:

DEVRAJ DOLEY from NPS INTERNATIONAL SCHOOL, Guwahati
Class : Class 8
the answer is 7.

Ans 4:

Ayush Gorain from Sarala Birla Public School, Ranchi
Class : Class 8
The answer should be option (A) = 4. There are 4 prime factors, i.e. 2, 3, 5 and 7. The solution contradicts the question's answer.

Ans 5:

Pranav from Ganges valley school, Hyderabad
Class : Class 8
The answer is 3. When you solve the equation you get 3*3*1*1*2*14/1*1*1. Now we see that the prime numbers left are 3,3 and 2. Therefore there are 3 prime numbers.

Ans 6:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
The answer should be (A) 4.There are four factors, i.e. 2,3,5,7. Even the solution says so. Please correct the error.

Ans 7:

jayashree easwaran from vibgyor High, Bengaluru
Class : Class 4
isn't the answer "A"

Ans 8:

Akshara from NPS, Bengaluru
Class : Class 8
Yes .... The answer is 4. ( 2, 3 ,5 and 7)

Ans 9:

Pranav from Ganges valley school, Hyderabad
Class : Class 8
The answer is 3. When you solve the equation you get 3*3*1*1*2*14/1*1*1. Now we see that the prime numbers left are 3,3 and 2. Therefore there are 3 prime numbers.

Ans 10:

Yuvraj Singh Dhaliwal from The British School, Patiala
Class : Class 8

Ans 11:

ARNAV BARANWAL from KPS SCHOOL, bhilai
Class : Class 4
ans is 7

Ans 12:

Aman Sumod from Chinmaya Vidyalaya, KANNUR
Class : Class 8
The answer is 4. There are 4 prime factors: 2,3,5 and 7

Ans 13:

Hari Bhaskar from bgs, JP Nagar 7th Phase
Class : Class 6
the solution of the equation is 3*3*5*5*5*2*7 which has seven prime factors

Ans 14:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
4

Ans 15:

Mohammed Aatif Afnan from Phoenix Greens School of Learning, Hyderabad
Class : Class 8
The answer is 4, not 3

Ans 16:

Ishaan Pal from Christ Academy, Bangalore
Class : Class 9
ans is 4. (2,3,5,7)

Ans 17:

Mudit garg from La blossoms school, Jalandhar
Class : Class 7

Post Your Answer

Advait nagale from Universal High, Thane
Subject :IMO    Class : Class 3

Post Your Answer

Mayank Paul from Saint Edmunds School, Shillong
Subject :IMO    Class : Class 3

Post Your Answer