International Maths Olympiad Forum By SOF Olympiad Trainer - Page 629
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Radhika from DPS, Dubai
Subject :IMO    Class : Class 3

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Dikshant ojha from Arya Gurukul, kalyan
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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Tanmay Purwar from Birla High School, KOLKATA
Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

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

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Shaurya Manjkhola from St Kabir Public School Chandigarh, Chandigarh
Subject :IMO    Class : Class 6

Ans 1:

Karmanya Gupta from DPS, Udaipur
Class : Class 8

Ans 2:

Ekansh Sharma from VidyaShilp Academy, Bengaluru
Class : Class 6
the answer is b, because the question never mentioned the integer is being multiplied by its self rather it told the

Ans 3:

Aarush Kumar from Pawar Public School, Mumbai
Class : Class 3
its B AS multiplyin a neative inteer even mumber of times ives odd

Ans 4:

Ekansh Sharma from VidyaShilp Academy, Bengaluru
Class : Class 6
integer is multiplied even times

Ans 5:

Sadhika Naorem from Army Public School Narangi, Guwahati
Class : Class 10

Ans 6:

Iba khan from DPS GBN, Noida
Class : Class 6
it is a

Ans 7:

Niranjan A V from VIBGYOR High, Bangalore
Class : Class 8

Ans 8:

Taanvi from , Bangalore
Class : Class 9

Ans 9:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10
master question

Ans 10:

Myra Negi from DPS Noida, Noida
Class : Class 9
-1*-1=11*-1=-1

Ans 11:

Mihir Rampally from VIBGYOR HIGH BALEWADI, Pune
Class : Class 8
I think answer should be D. As example if we take -2.-2x2=-4 but -2x-2=4even negative integers can be even

Ans 12:

Vedant Gamane from GIIS , Singapore
Class : Class 6
According to me the answer is B. Multiplying a negative integer any number of times (odd or even) will result into a negative integer

Ans 13:

Sadhika Naorem from Army Public School Narangi, Guwahati
Class : Class 10

Ans 14:

Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Class : Class 8
Yes Mihir Rampally is right

Ans 15: (Master Answer)

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

Ans 16:

Rudransh Arora from GIIS, Singapore
Class : Class 7

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Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Subject :IMO    Class : Class 3

Ans 1:

Ayham from Al Ain Juniors School, Al Ain
Class : Class 5
actually i put a and b and it is telling wrong

Ans 2:

Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Class : Class 4
it cannot be A and B BECAUSE it is not EMBEDDED PROPerly

Ans 3:

Ishtiyaq Ahmed from Mount litera Zee School Rampura Phool, Bathinda
Class : Class 7
answer is B as it is a plane face of cylinder

Ans 4:

Himanish Ta from Delhi Public School Noida, Noida
Class : Class 3

Ans 5:

Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Class : Class 4

Ans 6:

Vaanya Kukreja from Indian School Bousher , Muscat
Class : Class 5

Ans 7:

Samriddhi Debnath from Garden High School, Kolkata
Class : Class 3
Answer:C- Both A and B

Ans 8:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
ans is B as only circle is formed from cylinder, not rectangle

Ans 9:

varesh from rd public school, betul
Class : Class 3
c) BOTH A AND B

Ans 10:

Aarav Bansal from The modern School, Faridabad City
Class : Class 3

Ans 11:

PRATITEE BORDOLOI from Shishya BEML Public School, BENGALURU
Class : Class 6
The answer should be only B. The all sides of a rectangle are straight, while the cylinder has curved edges even when viewed from top.

Ans 12:

Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Class : Class 4

Ans 13:

Kart Bansal from abc, Bhiwani
Class : Class 8
Ans is incorrect. It is 'B' only. Rectangle is not a face of a cylinder. Only after you flatten a cylinder you get a rectangle but not per se

Ans 14:

Advik Singh from GIIS, GHAZIABAD
Class : Class 4
c

Ans 15:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
I had given the answer.Understood?

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Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Subject :IMO    Class : Class 3

Ans 1:

varesh from rd public school, betul
Class : Class 3
D)A CYLINDER HAS 4 FACES

Ans 2:

Ayham from Al Ain Juniors School, Al Ain
Class : Class 5
a cylinder has four faces but a sphere has no corner

Ans 3:

Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Class : Class 4

Ans 4:

Shibha Mehta from gma, delhi
Class : Class 4
I THINK THE ANSWER HAS TO BE B

Ans 5:

Bhargavi Vaibhav Zade from R. S. MUNDLE ENGLISH SCHOOL, NAGPUR
Class : Class 7
YES, THE INCORRECT OPTION IS ....... [D] ....

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Tanmay Purwar from Birla High School, KOLKATA
Subject :IMO    Class : Class 10

Ans 1:

Yuvraj Karan from DAV Public School, Koyla Nagar, Dhanbad, Dhanbad
Class : Class 10
ANS.(B) 6.14 metre cube

Ans 2:

P.S. Raja Sekhar from Montessori School, Kurnool
Class : Class 10
VERY NYC

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Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Subject :IMO    Class : Class 3

Ans 1:

Prana Tandon from Jain International School, Nagpur
Class : Class 4

Ans 2: (Master Answer)

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

Ans 3:

Advay Agarwal from Bal Bharati Public School , PITAMPURA
Class : Class 4
why will we minus 6-1

Ans 4:

Samriddhi Debnath from Garden High School, Kolkata
Class : Class 3
The correct answer is B

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Abin Jose from Delhi Public School, Sagar
Subject :IMO    Class : Class 7

Ans 1:

SUVAMDEBNATH from KVS BAMANGACHI, Howrah
Class : Class 9
2/3

Ans 2:

Rahul R from Bright Day school, Vadodra
Class : Class 8

Ans 3:

kaladin from The Shishukunj International School, Indore
Class : Class 8
the solution is given

Ans 4:

Aayush Tripathy from SAI International School, Bhubaneswar
Class : Class 9
Please, explain how the answer will be D = 2/3

Ans 5:

santosh katiyar from narayana vidhyalayam, Nagpur
Class : Class 7
hi how are you

Ans 6:

Garv Agarwal from Somerville School Noida, Noida
Class : Class 4
yeah...... please explain how the answer is 2/3

Ans 7:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
change the place of = sign in question. it is against denominator.

Ans 8:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9
Some1 explain i am not understanding this solution

Ans 9:

Arushi from Indira National School, Pune
Class : Class 9
Explain

Ans 10:

from Podar International School,Dhule, Dhule
Class : Class 8
please explain.

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Aryan Kumar Jha from Cambridge School, Greater Noida
Subject :IMO    Class : Class 3

Ans 1:

Mayank singh from Kvs, Ahmedabad
Class : Class 3

Ans 2:

A from ABC, Mumbai
Class : Class 4

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