International Maths Olympiad Forum By SOF Olympiad Trainer - Page 333
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Avishi Taparia from Vibgyor High, Mumbai
Subject :IMO    Class : Class 6

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Tanishka Tripathi from Bal Bharti Public School, Khargone
Subject :IMO    Class : Class 3

Ans 1:

Mudith from Giis, Bengaluru
Class : Class 5
Don't count straight lines , then its 28

Ans 2:

Abhinha Ajay Ovhal from Podar International School, Latur
Class : Class 6
29

Ans 3:

Prathmesh from ASN Sr Secondary School , Delhi
Class : Class 4
there are 30 slanting lines i dont know why they are saying 28

Ans 4:

Mudith from Giis, Bengaluru
Class : Class 5

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D): There are 28 slanting lines.


Ans 6:

Kartikey Kumar Jindal from Dikshant International School, Zirakpur
Class : Class 5
You all are wrong.Their are 28 slanting lines.Option D is correct

Ans 7:

Sharvil Joshi from Orchid The International School, Pune
Class : Class 3
D

Ans 8:

Kashika Goel from DPS Noida, Noida
Class : Class 6

Ans 9:

Anunnakee Banerjee from BBPS NOIDA, NOIDA
Class : Class 8
Please mark as 1,2,....28 in the diagram

Ans 10:

Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Class : Class 8
D

Ans 11:

Advait from VIdyamandir, Palanpur
Class : Class 3

Ans 12:

Krishna Kumari Nayak from Sai International school , Bhubaneswar
Class : Class 4

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Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Divya's birthday is on 4th Saturday that is November 27
6 days before November 27 = November 21
So, Richa's birthday is on November 21


Ans 2:

Sriyansh shreyash from Apeejay school, Bhubaneswar
Class : Class 2
c

Ans 3:

Deborah Charles from Vydehi school of Excellence, Bengaluru
Class : Class 4

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ASHISH K DIXIT from JASPAL KAUR PUBLIC SCHOOL, NEW DELHI
Subject :IMO    Class : Class 7

Ans 1:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8

Ans 2:

Aanvi Singhal from OWIS INTERNATIONAL SCHOOL , Sarjapur Road
Class : Class 7

Ans 3:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
IT SHOULD NOT BE A,IT SHOULD D BECAUSE EVERY TIME WE START FROM 0.HERE,IN THIS QUESTION WHEN WE START FROM 0 THAT IS -4 AND THEN +2.SO,CORRECT ANSWER IS D.

Ans 4:

Hritvi from Podar International School, Mumbai
Class : Class 7
The correct answer/option is D and the solution too is provided in the solution icon.

Ans 5:

Ishaan ranjan Maurya from Shree ram global school, Noida
Class : Class 7
YEssssssssssssssssssssss..

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Koustavi Chakraborty from DELHI PUBLIC SCHOOL, PUNE
Subject :IMO    Class : Class 5

Ans 1:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura
Class : Class 7
A

Ans 2:

VIDHUR G from CGPS, COIMBATORE
Class : Class 5
b

Ans 3:

Jeisree kk from K.S.N secondary school , Chennai
Class : Class 6
The answer is A

Ans 4:

Pratham Dave from GNS, Bangalore
Class : Class 7
A is the answer to this question

Ans 5:

Aniket from delhi public school, Bokaro
Class : Class 5
answer will be 27 (a)

Ans 6:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Ans is A.

Ans 7:

Jaiansh Dabas from St Xaviers High School, Gurgaon
Class : Class 7
A

Ans 8:

Kunsh Singh from Ryan International School, Bangalore
Class : Class 6

Ans 9:

Jeisree kk from K.S.N secondary school , Chennai
Class : Class 6
It's not A the answer is B

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Ishan Priyadarsi from Euro School, BENGALURU
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D): Total number of cookies = 12
Number of butter cookies = 4
Number of chocolate cookies = 12 - 4 = 8
Fraction of chocolate cookies = 8⁄12 = 2⁄3


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HIMANK DAKSH from MOTHERS GLOBLE SCHOL, PREET VIHAR A 106 DEHLI 110092
Subject :IMO    Class : Class 2

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Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): Cost of necklace = ₹ 120
Cost of purse = ₹ 80
Total cost = â‚¹ 120 +  ₹ 80 = ₹ 200
Thus with ₹ 200, she can buy a necklace and purse so that no money will be left with her.


Ans 2:

Arin Mukherjee from Akshar, Kolkata
Class : Class 5
Right ans is B

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Shubh chawda from D g khetan , Mumbai
Subject :IMO    Class : Class 8

Ans 1:

Anshuman D from MVM, Hyderabad
Class : Class 9
x+1/x=4 So,(x+1/x)^2=4^2=16 x^2+2+1/x^2=16 Since (x-1/x)^2=x^2-2+1/x^2, It will be=(x+1/x)^2-4=16-4=12 So, (x-1/x)=√12 Which is equal to √2×2×3 =2√3

Ans 2:

Anshuman D from MVM, Hyderabad
Class : Class 9
x+1/x=4 So,(x+1/x)^2=4^2=16 x^2+2+1/x^2=16 Since (x-1/x)^2=x^2-2+1/x^2, It will be=(x+1/x)^2-4=16-4=12 So, (x-1/x)=√12 Which is equal to √2×2×3 =2√3

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Ayush Rana from Kv no2 delhi cantt, delhi
Subject :IMO    Class : Class 3

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