International Maths Olympiad Forum By SOF Olympiad Trainer - Page 110
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Ankita Dharmani from Euroschool, Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Arihant kumar from Delhi public school,EOK, New Delhi
Class : Class 8
answer is [A]

Ans 2:

Mayank Raj from Litera velly, Patna
Class : Class 4

Ans 3:

Arihant kumar from Delhi public school,EOK, New Delhi
Class : Class 8

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Renuka from Capstone High , Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

Apoorva from Blue Ridge Public School, Pune
Class : Class 8
answer is 10

Ans 2:

Parvanshu Sharma from Euro International School Gurgaon Sector-10, GURGAON
Class : Class 4
Yes you are rightI think

Ans 3:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

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Darshan Garg from Sri Chaitanya Techno School, Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

Megha Maheshwari from Jain public school, Rewari
Class : Class 7
please explain the answer

Ans 2:

Apoorva from Blue Ridge Public School, Pune
Class : Class 8
6 hrs = 6*60*60= 21600 sec 5/6 = 50/60 mins = 50* 60 = 3000 sec 21600+3000= 24600 sec

Ans 3:

Jaytra lohia from Lvis - noida, Ghaziabad
Class : Class 5
the answer is C

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lavanya from rimt world school, Chandigarh
Subject :IMO    Class : Class 4

Ans 1:

Vrushti from swami vivekanand english primary school, Mumbai
Class : Class 4
F comes ahead of N therefore from the options only E comes ahead of K.

Ans 2:

Premangshu Nag from Samhita Academy, Bangalore
Class : Class 4

Ans 3:

Navya Vats from Saint Xavier High School, Noida Extension
Class : Class 7
Since K comes before N in alphabets so ans is E because only E is coming before F in given options.

Ans 4:

SAPTARSHI SAHA from Hemsheela Model School, Durgapur
Class : Class 8

Ans 5:

Anjala Ambade from ,
Class : Class 4
Ans-B

Ans 6:

aarush chakraborty from jss, dubai
Class : Class 7

Ans 7:

Radharaman from St Josephs English Medium High School, New Panvel
Class : Class 6

Ans 8:

Shraddha from Delhi public school, Hyderabad
Class : Class 4

Ans 9:

Aviral Goyal from DPS RKP, New Delhi
Class : Class 5
R is onlyoptio

Ans 10:

Sharvil from St Mary ICSE School, Koparkhairane, Navi Mumbai
Class : Class 4
what is the answer of this question

Ans 11:

Anushka kumar from DPS paradip, odisa
Class : Class 9
E: F:N::E:K

Ans 12:

from Jamnabai Narsee School, Mumbai
Class : Class 5
F and E are made up of horizontal and vertical lines whereas N

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lavanya from rimt world school, Chandigarh
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

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

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lavanya from rimt world school, Chandigarh
Subject :IMO    Class : Class 4

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pravar from calcutta international school, Kolkata
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

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

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Anand Mahajan from ,
Subject :IMO    Class : Class 4

Ans 1:

Admin from SOF, Noida
Class : Class 10
Answer : b
Solution
Smallest : 4608
Largest : 4688
Numbers between smallest and largest : 4640, 4680
Sum = 4640+4680 = 9320
So B is the right answer

Ans 2:

Sunita from Dps, Greater Noida
Class : Class 9
Answer : b Solution Smallest : 4608 Largest : 4688 Numbers between smallest and largest : 4640, 4680 Sum = 4640 4680 = 9320 So B is the right answer

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Yash Mehta from GIIS, Singapore
Subject :IMO    Class : Class 4

Ans 1:

FIONA GOMES from LOTUS VALLEY GURGAON, Gurgaon
Class : Class 4
answer supposes to be C, why mentioned as A????

Ans 2:

Sarthak from St Anthony Senior Secondary School Hiran Magri Udaipur, Udaipur
Class : Class 8
I am agree with Angel Gomes..

Ans 3:

Priya Ponmurugan from Gateway international school, chennai
Class : Class 4
The answer c only...

Ans 4:

NIRMAY JOSEPH from St Columba's School, New Delhi , New Delhi
Class : Class 9
I also fèel so.

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Darshan Garg from Sri Chaitanya Techno School, Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

Admin from SOF, Noida
Class : Class 10
Answer : A. 5265
There was a mistake in the options. It has been corrected now.

Solution
Biggest 4 digit number formed from these digits = 8743
Smallest 4 digit number formed from these digits = 3478
Difference = 8743 - 3478 = 5265

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