International Maths Olympiad Forum By SOF Olympiad Trainer - Page 649
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Nitish Reddy Lingala from Deens Academy, Bangalore
Subject :IMO    Class : Class 9

Ans 1:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10

Ans 2:

Nipun Abhilash from National Public School, Banashankhari, Bangalore
Class : Class 9
First Term= square and square root = root 2Second term = square root of (root2 -1)^2 = root2 -1The difference of first and second term = 1

Ans 3:

mandar vaidya from PODAR INTERNATIONAL SCHOOL, aurangabad
Class : Class 9
HInt Hint: Square and square root the first term and for the second term write it in the form of (root2-1)^2 Then the final answer comes 1 '

Ans 4:

Nithanth devadas from KV KARANJA, Navi mumbai
Class : Class 10

Ans 5:

Akshaj Malpani from Indira national school, Pune
Class : Class 8

Ans 6:

Shaina Vanessa from Frank Antony Public School, Bangalore
Class : Class 9

Ans 7:

subhanga from dps numaligarh, golaghat
Class : Class 9

Ans 8:

Owi shamsundar bartakke from Shrimant maisaheb bavdekar academy, Kolhapur
Class : Class 9

Ans 9:

Jaiman singh from The Mothers international school, New delhi
Class : Class 9
can anybody please send me the written solution of the question ?

Ans 10:

snigdha from national hill view public school, Bengaluru
Class : Class 9

Ans 11:

Aditi from Salt Lake School, Kolkata
Class : Class 9
Can anybody please post the written solution of this sum?

Ans 12:

devikp from dps,sharjah, Chennai
Class : Class 5

Ans 13:

Krishita from Unicentbachupally, Hyderabad
Class : Class 9

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RIYA D MARGHADE from TVS VELAMMAL VIDYALAYA PONNERI, CHENNAI, CHENNAI
Subject :IMO    Class : Class 1

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Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru
Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A. There are 9 circles as well as triangles.

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Yashashree Somdatta Kulkarni from Delhi Public School, Nashik
Subject :IMO    Class : Class 4

Ans 1:

digamber12 from st francies xavier english medium school ajgaon, sawantwadi
Class : Class 4
c

Ans 2:

AHELI CHAKRABARTI from BGS INTERNATIONAL PUBLIC SCHOOL, DWARKA
Class : Class 4
the answer is either B or C

Ans 3:

IAMLOST from ABC, Pune
Class : Class 8

Ans 4:

Aananya Singh from DPS East, Bangalore
Class : Class 4
I think it should be option C as , the question is asking how much is left with her when she has baked. She used 5/8 of the flour to bake and 5/8 of 4kg is 2 ½ kg . 4kg take away 2½ kg equals 1½ kg. So it should be option C.

Ans 5:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
How is it C C C ??????

Ans 6:

Devansh Gupta from Ridge Valley School, Gurgaon
Class : Class 6
I agree D should be answer. 4 - 5/8

Ans 7:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Hi Mridul you are right you know I was in Shishukunj for 2 years D D D D D Master Answer explain as this question may come in IMO IMO IMO

Ans 8:

IAMLOST from ABC, Pune
Class : Class 8

Ans 9:

IAMLOST from ABC, Pune
Class : Class 8
everyone is right

Ans 10:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
b is the right answer.FIRST CUT THE DENOMINATOR.THEN CONVERT IT INTO A MIXED FRACTION.YOU WILL GET THE ANSWER

Ans 11:

jiya zaveri from inventure academy , bengaluru
Class : Class 4
how can it be c///

Ans 12:

from Bhavans, Hyderabad
Class : Class 7
c

Ans 13:

Goutham from lt, Chennai
Class : Class 4
(Master answer) the correct answer is C.

Ans 14:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9
ANSWER MUST BE OPTION D , AS WHEN WE SUBTRACT 5/8 FROM 4 THEN WE WILL GET 27/8 WHICH IS EQUAL TO 3 3/8. THE METHOD IS BY DOING CRISS-CROSS MULTIPLICATION.

Ans 15:

Aananya Singh from DPS East, Bangalore
Class : Class 4

Ans 16:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
The correct answer is c

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Tanish Chudiwal from Amanora school , Pune
Subject :IMO    Class : Class 7

Ans 1:

Roushan Raj from ccl dav giridih , giridih
Class : Class 7
Option A

Ans 2:

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai
Class : Class 9
It think this is a problem with the code. It worked properly for me. If you are facing further problems you can report the question. P.S- I am not part of the technical team.

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Chiran Shunmugam from NPS International, Singapore
Subject :IMO    Class : Class 9

Ans 1:

pratham garg from delhi public school, chandigarh
Class : Class 10
240 grams

Ans 2:

Rudra kumar from Jawahar Navodaya vidyalaya, Sherghati
Class : Class 9
The seven pieces consist of 6 smaller equal pieces and one half cake piece. Weight of each small piece = 20 g. So, total weight of the cake = [2 x (20 x6)]g= 240 g.

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Amal Sumesh from Adani Public School, Mundra
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

Ans 2:

Shankar Eswarakumar from NPS International, Chennai
Class : Class 8

Ans 3:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7
77 is correct answer.

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Amal Sumesh from Adani Public School, Mundra
Subject :IMO    Class : Class 7

Ans 1:

Kaushik Srivatsa H from Bala Vidya Mandir Global, Bangalore
Class : Class 7

Ans 2:

TANUJA JOSHI from ZYDUS SCHOOL FOR EXCELLANCE, Ahmedabad
Class : Class 7
ANSWER IS 13. FROM PATTERN 1 WE GET TO KNOW THAT THE PRODUCT OF SQUARE 1 AND 2 SUBTRACTED BY THE THIRD GIVES OUT THE NUMBER IN TRIANGLE.FOR INSTANCE, 5*4-8=12 3*5-4=11 4*5-7=13.

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Amal Sumesh from Adani Public School, Mundra
Subject :IMO    Class : Class 7

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Agastya Tripathi from dps gurgaon, Gurgaon
Subject :IMO    Class : Class 4

Ans 1:

Kush Bindal from GIIS, India
Class : Class 6

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