International Maths Olympiad Forum By SOF Olympiad Trainer - Page 714
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Rachita from Tapasya Public School, Arvi
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

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

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adwaita from DPS NOIDA, Noida
Subject :IMO    Class : Class 4

Ans 1:

harshita sahu from DPS , JABALPUR
Class : Class 4

Ans 2:

yatharth verma from EURO KIDS SCHOOL SRI GANGANAGAR, SRI GNANGANAGAR
Class : Class 4
the answer would be d

Ans 3:

Shivam Dave from Jamnabai Narsee School, Gandhinagar
Class : Class 7
The answer may be park as - You're asked Akshat is facing the mall Now he took a 3/4 turn anti-clockwise, so he is facing the Police Post Now he takes a 1/2 turn clockwise, so now he is facing the park Therefore the answer is 'A Park'

Ans 4:

Aditya from Jubilee Hills Public School, Visakhapatnam
Class : Class 6

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Tanishi from Ryan International School, Gurgaon
Subject :IMO    Class : Class 5

Ans 1:

Jhumur Acharya from ,
Class : Class 5
I think the answer is D

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sawan rathi from ,
Subject :IMO    Class : Class 8

Ans 1:

Asmi Raniga from Indian School Ghubra, Muscat
Class : Class 8
square all terms= x2 + 1/x2 +2=16 x2+1/x2=14 x-1/x=? square all = x2+1/x2 - 2 = ? x2-1/x2=14 thus- 14 -2 = 12 root of 12 is 2 root 3.

Ans 2:

Aryaman Agrawal from St. Francis School, Ghaziabad
Class : Class 8
(A)

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MLALWANI from Sacred Heart School, Mumbai
Subject :IMO    Class : Class 9

Ans 1:

Hp2505 from Tps, Mumbai
Class : Class 9
((a+b)^2-(a-b)^2)/ab=4

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abhimanyu from KVA, Raipur, Raipur
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

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Bhumika Balani from ,
Subject :IMO    Class : Class 7

Ans 1:

from , Kolkata
Class : Class 9
how is the answer worked out?

Ans 2:

from ,
Class :
FIRST MAKE THAT SIMILAR 4 TRAINGLES INSIDE A RECTANGLE WHOSE TOTAL AREA IS 28 CM SQUARE NOW WE ARE LEFT WITH FOUR EQUALITERAL TRAINGLES ARE OF WHOSE ONE IS 1/2*L/2*B/2=LB/8 FOR FOUR TRAINGLES TOTAL AREA =4*LB/8=LB/2 NOW LB=LB/2+28 LB/2=28 LB=56 CM SQAURE

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Nandha Gopi Krishna from DPS, Bengaluru
Subject :IMO    Class : Class 6

Ans 1:

Shashwat.joglekar from DPS International Edge, Gurgaon
Class : Class 6

Ans 2:

Budhanath Panda from chinmaya vidyalaya therubali, Rayagada
Class : Class 6
plz explain

Ans 3:

devanshshriwas1@gmail.com from Delhi public school, Chhatarpur
Class : Class 6
C.) 75

Ans 4:

Vibhor Jain from New Horizon Gurukul, Bangalore
Class : Class 6

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Anusha from LBS School , Kota
Subject :IMO    Class : Class 3

Ans 1:

Anusha from LBS School , Kota
Class : Class 10
Correct answer is C. Please update the answers.

Ans 2:

Tanmay 2009 from MVN Aravali Hills, Faridabad
Class : Class 6
Correct ans is c. But it is shown as wrong . Please correct

Ans 3:

Abhijato Chatterjee from Bharatiya Vidya Bhavan, Kolkata, kOLKATA
Class : Class 6
Please correct.Right ans is c.l

Ans 4:

ila gupta from GMA Dubai, Dubai
Class : Class 8
c

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sain_nalini@yahoo.com from DPS, Gurgaon
Subject :IMO    Class : Class 3

Ans 1:

Afeefa from Afeefa, Bhubaneshwar
Class : Class 4
solution is wrong

Ans 2:

Yash from Dps, Noida
Class : Class 2
Solution is wrong

Ans 3:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4

Ans 4:

Vidya Maji from Kendriya Vidyalaya No 2, Pathankot, Pathankot
Class : Class 5

Ans 5:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
yes it is 12 - 11 solution is wrong

Ans 6:

Anuva maity from The Royal International School , Kolkata
Class : Class 3

Ans 7:

sid from Podar International, Mumbai
Class : Class 1
answer is 12-11=1

Ans 8:

dhruv anand from DPS vindhyanagar, kahalgaon bhagalpur
Class : Class 7
Answer should be D.

Ans 9:

Naitik from Billabong High International School, Noida
Class : Class 5
the answer is b 2

Ans 10:

Elina from BASELIOUS PUBLIC SCHOOL, Gujarat refinery
Class : Class 2
Yes, 12-11=1The answer given is wrong

Ans 11:

Saha from Bangalore, Bangalore
Class : Class 3
the answer is incorrect. It should be 12-11 = 1

Ans 12:

Bhargav Gupta from Naval Children School, Visakhapatnam
Class : Class 3
yes you are right

Ans 13:

AANYA GUPTA from MDPS Faridabad, Faridabad
Class : Class 8
yes, it should be 12-11 = 1

Ans 14:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4

Ans 15:

Elina from BASELIOUS PUBLIC SCHOOL, Gujarat refinery
Class : Class 2

Ans 16:

Sanjivani Saha from Chrysalis High, Bangalore
Class : Class 8
the answer is incorrect 12-11=1

Ans 17:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
answer is wrong

Ans 18:

ANWESHA SUNDARAY from KV, PURI, PURI
Class : Class 4
Yes number of straight line is 12 and number of triangle is 11 so 12-11=1

Ans 19:

Anuva maity from The Royal International School , Kolkata
Class : Class 3

Ans 20:

Janam Patel from R M G Maheshwari, Surat
Class : Class 8
Ans. is 12-11=1

Ans 21:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
ANS. WRONG STRAIGHT LINES-12 TRIANGLES-11 12-11=1

Ans 22:

sreeram from christ academy, Bengaluru
Class : Class 4
yes 12-11 = 1 is the solution

Ans 23:

Swarnava Pal from Vivekananda Mission School, Haldia
Class : Class 8

Ans 24:

Darshini Chakravarty from Pinnacle High International School, Mumbai
Class : Class 4
12-11=1, so the answer should be D.

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