International Maths Olympiad Forum By SOF Olympiad Trainer - Page 472
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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:

dfdfdfd from dfdfdfdfd, dfdfdfd
Class : Class 5
A

Ans 2:

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

Ans 3:

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

Ans 4:

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.

Ans 5:

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

Ans 6:

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 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

vdvd from Suncity School, Gurgaon
Class : Class 5

Ans 15:

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

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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:

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 2:

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 3:

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

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Sradha Ratheesh from MGM central Public School, Trivandrum
Subject :IMO    Class : Class 6

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DANY JACOB SAJI from Christ Academy, Bangalore
Subject :IMO    Class : Class 6

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LAKSHYA SINGH TOMAR from DPS NOIDA, NOIDA
Subject :IMO    Class : Class 3

Ans 1:

SYED WAQAR HUSAIN NAQVI from SACHDEVA GLOBAL SCHOOL, DELHI
Class : Class 5

Ans 2:

Pranaya Chaudhary from Springdales School Dubai , Dubai
Class : Class 3
I understood my mistake. All lines that can be drewn with a ruler

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Adyanshu Panigrahi from Montfort School, Dhenkanal
Subject :IMO    Class : Class 5

Ans 1:

Ayaansh Lad from Vibgyor High, Balewadi, pune
Class : Class 5

Ans 2:

Reyansh Mishra from St. Peter's School, BANGALORE
Class : Class 5
A is the correct answer as 32 2 1/5 = 34.2 (1/5 = 0.2) - 4 1/5 = - 4.2 = 30, then it says increased by 2 1/5 so it is added by 2.2 = 32.2

Ans 3:

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

Ans 4:

Lokesh Krishnan from Pon Vidyashram School, CHENNAI
Class : Class 7

Ans 5:

Chinmay from JSS public school, Noida
Class : Class 5
A option is correct because 1/5 means 1 divided by 5 = 0.2

Ans 6:

Asit desh pandey from Mahindra World School, j
Class : Class 6

Ans 7:

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

Ans 8:

Bhavya Agrawal from Cambridge Court High School , JAIPUR
Class : Class 8
ACCORDING TO ME THE CORRECT SHOULD BE OPTION - C

Ans 9:

Bhavya Agrawal from Cambridge Court High School , JAIPUR
Class : Class 8

Ans 10:

Sarthak Singh from Podar International School, Chinchwad, Pune
Class : Class 5
there is no option of 32.5

Ans 11:

p lokshith ganesh from baldwin boys high school, bangalore
Class : Class 5
A is the correct answer

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