International Maths Olympiad Forum By SOF Olympiad Trainer - Page 398
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Krisha from gurukul, pune
Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): Time half an hour after 1:45 pm = 2:15 pm
2:15 is shown in clock  given in option B.  


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Maya Vijay from NPS Chennai, Chennai
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B)

Order of rotational symmetry = 6 


Ans 2:

Adhrit from CHSV, Chennai
Class : Class 8
How do we know if the hexagon is regular or not? It never mentions anything about that you really should make the questions less ambiguous

Ans 3:

Joshua Sen from Montfort Senior Secondary School, Roorkee
Class : Class 10
but da hexagon is wonky

Ans 4:

Kumar Krishiv from Apeejay School, Noida
Class : Class 8
yes and in the figure too it seems like sides are not equal

Ans 5:

Vinayak Iyer from Podar International School Powai, Mumbai
Class : Class 9

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Sarah Nawalkar from Rajhans Vidhyalaya, Mumbai
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): Amount of money Bhavya saves in one month = ₹ (2550 - 1875) = ₹ 675
∴ Her savings in one year
= ₹ (12 × 675) = ₹ 8100
Her savings in 3 years = 3 × 8100
= ₹ 24300


Ans 2:

Nivritti Agarwal from National public school, Bangalore
Class : Class 7
A): Amount of money Bhavya saves in one month = ₹ (2550 - 1875) = ₹ 675∴ Her savings in one year= ₹ (12 × 675) = ₹ 8100Her savings in 3 years = 3 × 8100= ₹ 24300

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Sanchay Agarwal from Delhi Public School, Roorkee
Subject :IMO    Class : Class 8

Ans 1:

mukul from lancer, delhi
Class : Class 1
son

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Nikhil Bewal from APS KIRKEE, PUNE
Subject :IMO    Class : Class 6

Ans 1:

Aditya from CHIREC, Hyderabad
Class : Class 6
how did you do thisplease explain this to me

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option A. 


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Vaishali Nair from Maneckji cooper, Mumbai
Subject :IMO    Class : Class 5

Ans 1:

Navya Vats from Saint Xavier High School, Noida Extension
Class : Class 7
Ans is C means Only K

Ans 2:

Anubhav Dogra from Delhi Public School , Chandigarh
Class : Class 5
A both L And N

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Vaishali Nair from Maneckji cooper, Mumbai
Subject :IMO    Class : Class 5

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Shiven Dinkar from DPS Noida, Delhi
Subject :IMO    Class : Class 4

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Amrutha Vemavarapu from Kennedy high the global school, Hyderabad
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Factors of 18 = 
Factors of 27 = 
So, 6 is not a common factor of 18 and 27.


Ans 2:

Sarthak Shome from Harvest International, Bangalore
Class : Class 8
man see 3 is a factor of 18 but 27 table does not have 3 as thier factor because 3 multiplied by six is eighteen but 27 does not have a factor so 6 is not a common factor of 27

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Factors of 18 = 
Factors of 27 = 
So, 6 is not a common factor of 18 and 27.


Ans 4:

Vaishnavi Sahu from St Johns English School and Junior College, Chennai
Class : Class 5
it shows that in which table does 24 and 46 are only in table of 2 the 46 comes after 2 x 12 and even after so many numbers.

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Kedar Kulkarni from Walnut School, Pune
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Number of marbles in each group = 10
Total number of groups altogether had = 6 + 5 + 9 = 20
Total number of marbles = 20 x 10 + 4 = 204


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