International Maths Olympiad Forum By SOF Olympiad Trainer - Page 472
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Jai kumar Bohara from Dps, Udaipur
Subject :IMO    Class : Class 7

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VANSH CHETANKUMAR PATELI from JAVIYA SCHOOLING SYSTEM, JUNAGADH
Subject :IMO    Class : Class 7

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aarav verma from apeejay school , noida
Subject :IMO    Class : Class 5

Ans 1:

PRAMIT MAHAJAN from MUSHTIFUND HIGH SCHOOL, PANAJI
Class : Class 5
(D)

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 3:

Pranav Pradeepkumar Bagrecha from St. Paul's International School, Ichalkaranji
Class : Class 9
(D)

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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Shreeya Amol Tade from English Medium School , Pune
Subject :IMO    Class : Class 7

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AARAV GUPTA from Khaitan Public School, Ghaziabad
Subject :IMO    Class : Class 3

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Rushil Arora from DPS, New Delhi
Subject :IMO    Class : Class 5

Ans 1:

adwitiya saxena from Ryan Internatinational School, Navi Mumbai
Class : Class 6
A

Ans 2:

dfdfdfd from dfdfdfdfd, dfdfdfd
Class : Class 5
A

Ans 3:

vdvd from Suncity School, Gurgaon
Class : Class 5

Ans 4:

VISHNU from NARAYANA OLYMPIAD GOPALAPURAM, chennai
Class : Class 5
omg it was terrefic

Ans 5:

Ayaan Save from Dr Pillai Global Academy Gorai, Mumbai
Class : Class 5
Answer = A

Ans 6:

Pranav Pradeepkumar Bagrecha from St. Paul's International School, Ichalkaranji
Class : Class 9
(A)

Ans 7:

Rasha Ranjan from DPS NOIDA , Noida
Class : Class 5
Very easy

Ans 8:

Pranav Pradeepkumar Bagrecha from St. Paul's International School, Ichalkaranji
Class : Class 9
(A)

Ans 9:

PRAMIT MAHAJAN from MUSHTIFUND HIGH SCHOOL, PANAJI
Class : Class 5
(A)

Ans 10:

tanmay srivastava from DPS Noida, Noida
Class : Class 5
This was a real brain teaser. I tried it from the right side but not from the left

Ans 11:

Sowmya Chandrasekaran from DAV GIRLS SENIOR SECONDARY SCHOOL, Chennai
Class : Class 6
even i tried it from right not left

Ans 12:

D Murari from Indian School of Excellence, Bangalore
Class : Class 9

Ans 13:

HARSHIT SOLANKI from Dps, Indore
Class : Class 6
Answer= (A)

Ans 14:

Aahana Mohanta from Delhi Private School Dubai, Dubai
Class : Class 6
a

Ans 15:

Ramansh from kudos international, bundi
Class : Class 5
I also checked it on the right side but I have to check it from the left side.

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kashvi shirudkar from bharti vidyapeeth rabindranath tagore school of excellence, pune
Subject :IMO    Class : Class 4

Ans 1:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
vah yar

Ans 2:

Rish from no, Jorhat
Class : Class 5
Thank you .

Ans 3:

Suresh Gyanchandani from St. Anselms Pink City Senior Secondary School, Jaipur
Class : Class 5
C LET NO. OF RED MARBLES = X NO. OF GREEN MARBLES = 5X 5X + X = 1230 X = 205 GREEN MARBLES = 205 X 5 = 1025 Green Marbles removed = 1/5 x 1025 = 205 Left green = 1025 - 205 = 820

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Prathita from Kennedy High the global school, Hyderabad
Subject :IMO    Class : Class 8

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Mokshada from Krishna English medium school , Karad
Subject :IMO    Class : Class 3

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nimay gupta from Shiv Nadar School, noida
Subject :IMO    Class : Class 6

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Your thinking is right, but we generally use to say that there are 2 factors of a number. So option B is right

Ans 2:

tanmay from amaatra academy, bangalore
Class : Class 9
suppose the given number is 1 then factor is only 1therefore answer is A:1,given number

Ans 3:

Abhiroop Batabyal from Kennedy High the global school, Hyderabad
Class : Class 8
B: 2, Given number

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