International Maths Olympiad Forum By SOF Olympiad Trainer - Page 433
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Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Subject :IMO    Class : Class 7

Ans 1:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 6

Ans 2:

Ambar and Adwita from Suncity School, Gurgaon
Class : Class 8

Ans 3:

Kanav Sancheti from JPHS, Jaipur
Class : Class 7
if we read that after walking 3 km she turned right so from west she have turned to go towards north and then she turned left now in which direction she start he journey is north

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Yash Bindal from Global Indian International School, Singapore
Subject :IMO    Class : Class 9

Ans 1:

Harshal from Maheshwari Public School, Jawahar Nagar, Jaipur, Rajasthan
Class : Class 9
ANSWER TO THIS IS : BOPTION B

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Souraj Saigovindh from Sri chaitanya Techno school, Tirupur
Subject :IMO    Class : Class 7

Ans 1:

Nitin from CHSV, Chennai
Class : Class 6
*x 3=y

Ans 2:

Nitin from CHSV, Chennai
Class : Class 6
The space means addition

Ans 3:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
Nitin , I think you forgot that the sum of the digits of a number should be 9 , As in teh question. All teh other nummbers given by you except 36 is wrong because their digits do nto sum up to 9

Ans 4:

Himanshi Singh from BBPS, Gadarwara
Class : Class 9
Correct answer is D.

Ans 5:

Nitin from CHSV, Chennai
Class : Class 6
The number is not only 36 (It is a number , but there are other numbers) . If you keep x as the ten's digit of the original number and y as the unit's digit of the number , any number following : x 3=y , will follow this rule .The numbers following this rule is 14 27=41 , 25 27=52 , 36 27=63 , 47 27=74 , 58 27=85 , 69 27=96 .

Ans 6:

Nitin from CHSV, Chennai
Class : Class 6

Ans 7:

Deepa Jewalkar from Meridian , Hyderabad
Class : Class 7

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Aaryaman Pradhan from De paul School , Berhampur
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):

(a) Total number of books in both  the libraries = 284683 + 371805
= 656488

(b) Number of more books in second library than the  first library = 371805 - 284683
= 87122


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Asmi Raniga from Indian school Ghubra, Muscat
Subject :IMO    Class : Class 5

Ans 1:

Pranjal from MVN Sector 88, Faridabad
Class : Class 5

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Quantity of syrup Mrs. Preeti had = 5 litres = 5000 ml

Quantity of Syrup she poured in each bottle = 300 ml

Number of bottles needed = 5000 ÷ 300 = 16.67
Therefore, 17 bottles are needed. 


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Aarush Pandya from Inventure Academy, Bangalore
Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C):

  • Time duration for playing football = 30 minutes

           Time duration for reading book = 30 minutes
           So, activities that last for 1 hour in total are
           playing football and reading book.

  • The activity that lasted for 15 minutes only is painting.

Ans 2:

DhritismanDas from Sfs, Guwahati
Class : Class 4

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Abhinha Ajay Ovhal from Podar International School, Latur
Subject :IMO    Class : Class 1

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Vedant Sharma from Silver Oaks , Hyderabad
Subject :IMO    Class : Class 7

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Aman Saji from Indian School,Sohar,Sultanate of Oman., Sohar
Subject :IMO    Class : Class 8

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Aman Saji from Indian School,Sohar,Sultanate of Oman., Sohar
Subject :IMO    Class : Class 8

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