International Maths Olympiad Forum By SOF Olympiad Trainer - Page 509
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Vihaan Binaykia from Riverside, AHMEDABAD
Subject :IMO    Class : Class 3

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

Vishal Garg from Campion , Bhopal
Class : Class 3

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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.

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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

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

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

Ans 1:

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.

Ans 2:

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

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

Ans 1:

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

Ans 2:

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 3:

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 4:

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

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:

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

Ans 7:

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 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

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 16:

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

Ans 17:

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

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

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

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Ankit Kumar Mistry from Kalyani Public School, Kolkata
Subject :IMO    Class : Class 4

Ans 1:

BIR from LOTUS VALLEYINTERNATIONAL SCHOOL, NOIDA
Class : Class 4
10000

Ans 2:

Sarthak Shome from Harvest International, Bangalore
Class : Class 7
man the answer is 10 lackhs

Ans 3:

Nehal from New Horizon Gurukul, Bangalore
Class : Class 6

Ans 4:

Shraddha from Delhi public school, Hyderabad
Class : Class 4
The answer is D

Ans 5:

Aharshi Sarkar from Venkateshwar International School Dwarka, Delhi
Class : Class 5
The answer is (A) because it has said the minor 5-digit no.

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 9
BIR you have written ten thousand instead of one thousand !!!

Ans 7:

Sarah Ahmad from st. mary's school, delhi
Class : Class 8

Ans 8:

MANDAR PALKAR from KV DRDO, Bengaluru
Class : Class 2
100 tens = 1 thousand

Ans 9:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9

Ans 10:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
dfd

Ans 11:

Sweta from dpsnoida, Noida
Class : Class 4
solutions should be in detail and a little easy

Ans 12:

Midhuna from ABCD, Banglore
Class : Class 3

Ans 13:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is D .

Ans 14:

Amartya Dey from DPS Bangalore East, Bangalore
Class : Class 6
trick question

Ans 15:

Sarah Ahmad from st. mary's school, delhi
Class : Class 8
The answer is D- 1 thousand

Ans 16:

Soumya Gupta from Prudence School Ashok Vihar, New Delhi
Class : Class 5
the answer is c

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Astha Aswani from Fatima convent school, Kanpur
Subject :IMO    Class : Class 8

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DEVANSHI R SHAH from DIVYAPATH CAMPUS, AHMEDABAD
Subject :IMO    Class : Class 7

Ans 1:

Arshia Mittal from Ryan International School, rohini
Class : Class 9
its more than easy D

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rachana from delhi public school, NACHARAM
Subject :IMO    Class : Class 3

Ans 1:

princy gigo from Global Indian International School, Kuala Lumpur
Class : Class 8
out of syallabus

Ans 2:

Aanya from Apeejay School , Delhi
Class : Class 7

Ans 3:

Suchi shah from AIS, Ahmedabad
Class : Class 3
pls explain

Ans 4:

Chanchal Sharma from Universal high School, Thane West
Class : Class 3

Ans 5:

AARAV GUPTA from Khaitan Public School, Ghaziabad
Class : Class 4
Out of Syllabus

Ans 6:

Krishna Nanda from St. Xaviers Co Ed School Bhopal, Bhopal
Class : Class 7
the answer is 108

Ans 7:

Krishang Roushan from Dimension International College, Singapore
Class : Class 3
It is not that hard, just that if you understand the question you can easily find the answer.The pea pie who are saying that the question is wrong, you are the one who is wrong, not the question!

Ans 8:

IAMLOST from ABC, Pune
Class : Class 8
It is NOT out of syllabus . The sulution is that one moon is 18.So,18x18=324.To get the star devide 18 by 3=6.18-6=12

Ans 9:

Vihaan Agrawal from DG Agrawal memorial school , Visarwadi
Class : Class 3
I think, it is too much to ask 3rd class student to remember squares of 18.. imagine if kid is not able to identify m * m = 324, how would he be able to solve entire question. not fair!!

Ans 10:

Harshith from Cs academy, Erode
Class : Class 3

Ans 11:

Arpit Gupta from Treamis World School, Bengaluru
Class : Class 5
options given seems to be wrong

Ans 12:

Prisha Jora from Adani Public School, Mundra
Class : Class 3
I don't know the answer because IT IS OUT OF SYLLABUS

Ans 13:

Rajdeep Chatterjee from Techno India Public School, Bolpur
Class : Class 8
IT IS OUT OF SYLLABUS.

Ans 14:

AARAV GUPTA from Khaitan Public School, Ghaziabad
Class : Class 4

Ans 15:

Raghav from Gems wellington school, Doha
Class : Class 6
it is a little tricky but i solved it.

Ans 16:

Suchi shah from AIS, Ahmedabad
Class : Class 3
How the value of 2 moon is 18 i think 324/2=162

Ans 17:

Jeremy Sen from Montfort Senior Secondary, Roorkee
Class : Class 5
wat

Ans 18:

Inaaya Garg from Carmel Convent School, Chandigarh
Class : Class 4

Ans 19:

Aamogh from Kv, Chennai
Class : Class 3
correct answer should be 33

Ans 20:

Anaisha Niranjan from DPS Noida, Noida
Class : Class 4
the answer should 107

Ans 21:

Aditya Mittal from St Peters College, AGRA
Class : Class 5
It is not wrong moon divide by star is 3 moon multiply by moon is 324 3star multiply 3star is 324 star .star equals 324/9 is 36 star - 6 moon equals 18 answer is 12

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