International Maths Olympiad Forum By SOF Olympiad Trainer - Page 765
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S.V.Koundinya from Sri Chaitanya School, Hyderabad
Subject :IMO    Class : Class 6

Ans 1:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
C is wrong because the no. of faces is same but in question

Ans 2:

ANUBHAV GUPTA from delhi public school,bokaro, Bokaro
Class : Class 6
answer is c

Ans 3:

Rajat from Jindal Vidya Mandir, BELLARY DIST
Class : Class 6
It cant be both B and C. It is C.

Ans 4:

Varun Vikram R.P from DAV Public school, Chennai
Class : Class 6
it is c because in the question the net is in rectangle and with 2 triangles

Ans 5:

priyamvada shah from sanskriti school , pune
Class : Class 6
it can be both b and c

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Srija Ghosh from Kendrya Vidyalaya Number 2 Colaba, mumbai
Subject :IMO    Class : Class 6

Ans 1:

suman bharti from ST Joseph's Convent Girls S.S School, Jabalpur
Class : Class 6

Ans 2:

SASANK SEKHAR SAHOO from Salipur Public School, Salipur
Class : Class 6
36

Ans 3:

Manish Dhoot from Sun city world school, Gurgaon
Class : Class 4
36 because - angle of regulat pentagon = 108 therefore a = 360 - 108-108-108

Ans 4:

sarthak from MIT WPS PUNE, PUNE
Class : Class 6

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Gauri Yadav from Delhi public school noida, NCR
Subject :IMO    Class : Class 5

Ans 1:

Raj from Raj Aryan, Aryan
Class : Class 6
IT'S A!!!!!!!!!!!!!!!!!!!!!! It has asked tens! not tenths!

Ans 2:

Siddharth from Kennedy Global The High, hydeabad
Class : Class 6
d is wrong

Ans 3:

sandynhpc@gmail.com from Kendriya Vidyalaya Sector12 Dwarka, New Delhi
Class : Class 5
Answer should be AAnswer should beA

Ans 4:

Ayush Kumar from Maria Assupta Sr. Sec. Convent School, KASHIPUR
Class : Class 5
In the question it should be write tenth if the answer is 6050.3.

Ans 5:

sandynhpc@gmail.com from Kendriya Vidyalaya Sector12 Dwarka, New Delhi
Class : Class 5
Answer should be AAnswer should beA

Ans 6:

Ayush Kumar from Maria Assupta Sr. Sec. Convent School, KASHIPUR
Class : Class 5

Ans 7:

mad from cps, Nagpur
Class : Class 7
Answer is A

Ans 8:

Amit Bhasin from Podae International School, Nerul
Class : Class 8
d is wrong . answer will be a as all the numbers after the rounded number become 0 and therefore has no value.

Ans 9:

Karmanya Gupta from DPS, Udaipur
Class : Class 8

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Hp2505 from Tps, Mumbai
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

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

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Hp2505 from Tps, Mumbai
Subject :IMO    Class : Class 9

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Hp2505 from Tps, Mumbai
Subject :IMO    Class : Class 9

Ans 1:

Ashish from DPS North, Bengaluru
Class : Class 9
D. uncle

Ans 2:

Namanjain5589@Gmail.com from Yugantar Public School , Rajnandgaon
Class : Class 9
C)Brother

Ans 3:

Aarthi from Prince matriculation higher secondary school , Chennai
Class : Class 9
C) Brother

Ans 4:

Ashish from DPS North, Bengaluru
Class : Class 9
D. uncle

Ans 5:

Rahul kumar from Khublal yadav smarak high school bishanpur, Jamui
Class : Class 9
D therefore A is meternal uncle of B

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Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Subject :IMO    Class : Class 5

Ans 1:

Ayush from VIBGYORHIGH , Bangalore
Class : Class 5
A should be the right answer. can you explain why B is hte answer

Ans 2:

Karmanya Gupta from DPS, Udaipur
Class : Class 8
its all wrong

Ans 3:

Sumit G from Greenwood High International, Bengaluru
Class : Class 8
All are wrong

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sanjay shete from ,
Subject :IMO    Class : Class 8

Ans 1:

Admin from SOF, Noida
Class : Class 10
Answer: B

Solution
Applying BODMAS and simplifying
(-4/3) + (-5/2) - (7)
= -65/6
= -10 5/6

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Satwik from Air force school, Jorhat
Subject :IMO    Class : Class 8

Ans 1:

om subham pati from Dps ranchi, Ranchi
Class : Class 10
let side=x x^3=216 x=6 side=6 longest rod=(3*36)^1/2 =6*3^1/2 option 3

Ans 2:

Ganesh from Global Indian International School, Kuala Lumpur
Class : Class 10

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Rameshwari from Jain English School Ambad, Ambad
Subject :IMO    Class : Class 7

Ans 1:

RHEVA FRANCIS from bhavans chevayur, Kozhikode
Class : Class 10
after interchanging- 1-O 2-M 3-I 4-S 5-E 6-C 7-O 8-M 9-P 10-R therefore seventh letter from the right should be E.

Ans 2:

AKKSHAT BHUTADA from KILBIL ST JOSEPH, NASIK
Class : Class 7

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