International Maths Olympiad Forum By SOF Olympiad Trainer - Page 476
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soumil srivastava from dps, paradip
Subject :IMO    Class : Class 6

Ans 1:

Karthikeya from Sanskriti, Pune
Class : Class 7

Ans 2:

Nandish Mehra from D.A.V Public School, AMRITSAR
Class : Class 7

Ans 3:

Shreyasi Padihary from The Cambridge International School , Bangalore
Class : Class 7
BBBBBB

Ans 4:

Raj Sanjay Deore from Adinath English medium school, Malegaon
Class : Class 6
B

Ans 5:

Karthikeya from Sanskriti, Pune
Class : Class 7

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Shaurya Arora from Lotus Valley International School, Gurugram
Subject :IMO    Class : Class 4

Ans 1:

Gomtiwal Meet S from Lotus School , Ahmedabad
Class : Class 4
C

Ans 2:

Nishka Agarwal from NMAJS Mumbai, Mumbai
Class : Class 4
i thought it was d

Ans 3:

Vivek Sorout from The Basil world schoool, Palwal
Class : Class 5
C

Ans 4:

Shaurya pratap singh from Brajkishore kindergarten school, Chapra
Class : Class 4
My answer is option C 900g

Ans 5:

Avyansh Negi from Dayawati Modi Academy, Rampur
Class : Class 4
It’s d or c

Ans 6:

Suresh Gyanchandani from St. Anselms Pink City Senior Secondary School, Jaipur
Class : Class 5
C

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anika from St Joseph sen sec school Mahoba, Kulpahar
Subject :IMO    Class : Class 5

Ans 1:

Gourish G Bhat from Jindal Vidya Mandir, Ballari
Class : Class 5
Easiest way to answer this is when you divide the product of 432 and 280,the remainder should be 0 and choose the greatest number, which in this case it is 64

Ans 2:

Rayna Agarwal from St. Xaviers High School, Gurgaon
Class : Class 5
length 432 cm and breadth 280 cm Square tile has length = HCF (432, 280) = 8 cm Area = 8 × 8 = 64 cm2

Ans 3:

PRAMIT MAHAJAN from MUSHTIFUND HIGH SCHOOL, PANAJI
Class : Class 5
C

Ans 4:

Sagar G V from Tuto Bytes, Hyderabad
Class : Class 3
What is the logic behind this question??

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SANCHAY BISURIYA from R N S world school , jhansi
Subject :IMO    Class : Class 6

Ans 1:

DEBOSMITA GARAI from G.D.BIRLA CENTRE FOR EDUCATION, kolkata
Class : Class 6
c is correct ans

Ans 2:

Ramya Bn from Ryan International school, Bangalore
Class : Class 6
ans is C - 75

Ans 3:

Samreen shams from Ashok Hall Girls higher secondary school , Kolkata
Class : Class 7

Ans 4:

Jyotiraditya Ramprasad Shelke from Rajlaxmi International school Deulgao Raja, Deulgao raja
Class : Class 6
ANS is C i.e. 75

Ans 5:

Devanshu Paul from EICHER SCHOOL, Faridabad
Class : Class 6
c

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Ayushmaan from D, B
Subject :IMO    Class : Class 6

Ans 1:

Rutuja Chitre from MVM , MUMBAI
Class : Class 6
D

Ans 2:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
57/95 = 51/x So, x = 51 x 95 / 57 = 17 x 5 = 85 Therefore 3x - 8 / 3x 8 = (3 x 85) - 8/(3 x 85) 8 = 255 - 8/ 255 8 = 247/263 Answer-(D) 247/263

Ans 3:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 5
d

Ans 4:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 5
b

Ans 5:

Aayushi from Best English school, Ahmedabad
Class : Class 6

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Amogh from Guardian School ICSE, Dombivli
Subject :IMO    Class : Class 3

Ans 1:

Ekansh Tandon from Fr Agnel Noida, Indirapuram
Class : Class 8
Are baloons also circle

Ans 2:

SS from meridian, hyderabad
Class : Class 5
ballons also how come its is oval right

Ans 3:

Rozan nirmali from GIIS, japan
Class : Class 6

Ans 4:

arjun from NISV, Vadodara
Class : Class 3
so its d

Ans 5:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 9
Are balloons also circular or oval?

Ans 6:

BHARTENDU BHUSHAN SHOW from ADAMAS WORLD SCHOOL, BARASAT
Class : Class 4
how answer " d " that is 16 is coming, I do not understand.

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Vaisnavi singh from Ekya JP nagar, Banglore
Subject :IMO    Class : Class 4

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Vaisnavi, it is very easy

Ans 2:

Vaisnavi singh from Ekya JP nagar, Banglore
Class : Class 5
it is very difficult to divide such a big number

Ans 3:

Vaishnavi Sahu from St Johns English School and Junior College, Chennai
Class : Class 4
Ashwak for you it is easy.

Ans 4:

Maulikta Ranjan from DPS Noida, Noida
Class : Class 5
I got the answer. it was tricky but I did it

Ans 5:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 6:

Maulikta Ranjan from DPS Noida, Noida
Class : Class 5
yes, Vaishnavi. It is very difficult to divide this big number

Ans 7:

sudhish from St Pauls English School, Bangalore
Class : Class 2
In my very first attempt I got it wrong , but when I tried once more I got 4827 .

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Karmanya Gupta from DPS, Udaipur
Subject :IMO    Class : Class 6

Ans 1:

lasya priya.ch from ravindra bharati school, hyderabad
Class : Class 4

Ans 2:

ANSHUL KUMAR from SND PUBLIC SCHOOL PALWAL, PALWAL
Class : Class 6

Ans 3:

Sangbed Gupta from TIGPS, HOOGHLY, chinsurah
Class : Class 7
(3x 5) yrs (x - 8) yrs

Ans 4:

Gurtej Singh from D A V Boys Senior Secondary School, CHENNAI
Class : Class 7

Ans 5:

Kiash Gangineni from National Public School, Bengaluru
Class : Class 6

Ans 6:

Kiash Gangineni from National Public School, Bengaluru
Class : Class 6

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Arnav Vijaywargiya from DPS Gurgaon, Gurgaon
Subject :IMO    Class : Class 8

Ans 1:

Tanish Sharma from M L S D A V SR SEC Public School Narnaul , Narnaul
Class : Class 10
This equation is formed like that: Let present age =x Twenty years ago=x-20 A.T.C x-20 = 1/3 ×x -20 =1/3x-x -20 = -2/3x 20÷2/3 =30 years Age after 15 years =30+15 =45 years

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Vedant Sharma from Silver Oaks , Hyderabad
Subject :IMO    Class : Class 6

Ans 1:

Dishamrutha from indian school of excellence, bangalore
Class : Class 6
I THINK THURSDAY OR MONDAY SHOULD BE EXCLUDED

Ans 2:

Falguni from Navkis, Bangalore
Class : Class 7
I think B

Ans 3:

anveshi srimal from cathedral and john connon school, mumbai
Class : Class 7
according to me, the ans should be 3 litres. as 1.5 L * 3 = 4.5 L which is the amount used in 3 days(Tue, Wed n Thurs) hence, 7.5 L- 4.5 L=3 LITRES.That, according to me, is the answer

Ans 4:

Aharshi Pahari from DPS JOKA, Kolkata
Class : Class 7

Ans 5:

ABHIRAM from chirec, HYDERABAD
Class : Class 10
b

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