International Maths Olympiad Forum By SOF Olympiad Trainer - Page 453
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R K Madhav from Kendriya Vidhyalaya Kottayam, Kottayam
Subject :IMO    Class : Class 6

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tanmay shinde from Delhi Public school Rau Indore , indore
Subject :IMO    Class : Class 3

Ans 1:

BHAVYAA NAYYAR from CARMEL CONVENT SCHOOL, NEW DELHI
Class : Class 3
20

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Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is D.

The proper order is : Hundred, Thousand, Million, Billion, Trillion.


Ans 2:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Yeah, the answer is D

Ans 3:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Yeah, the answer is D

Ans 4:

Sreeraj from Naagarjuna, Hyderabad
Class : Class 8
The correct answer is 'D' option. Its because,ascending order in the sense is the order arranged from smallest to largest. Therefore,the order is Hundred,Thousand,Million,Billion, Trillion.

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Soham from Sai International School , Bhubaneswar
Subject :IMO    Class : Class 3

Ans 1:

V S Shripranav from Chrysalis High, Bengaluru
Class : Class 5
I choce randomly

Ans 2:

Prasanna Hegde from Vibgyor High Horomavu, BENGALURU
Class : Class 5
B

Ans 3:

Soham from Sai International School , Bhubaneswar
Class : Class 3
wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

Ans 4:

BHAVYAA NAYYAR from CARMEL CONVENT SCHOOL, NEW DELHI
Class : Class 3
4/9

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from , Bhubaneswar
Subject :IMO    Class : Class 9

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from Snbp International School, Rahatani, Pune
Subject :IMO    Class : Class 3

Ans 1:

Tejas Kumar from Global Indian International School, Noida
Class : Class 4
It looks like 3 not divide 3

Ans 2:

ayush kumar from dps noida, delhi
Class : Class 3
the sign with 3 is misprinting or confusing

Ans 3:

neha from ajmera, mumbai
Class : Class 4
division sign looks like plus sign

Ans 4:

Advika Narkar from VIBGYOR High Airoli, Navi Mumbai
Class : Class 5
Division sign is looking like addition sign in question Please help

Ans 5:

PnP from Vibgyor, Bengalore
Class : Class 3
Division looks like plus sign and addition looks like division sign it is all very confusing

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The answer is B.

426 ÷ 142 + 20 X 12 - 820 = 1124

So, the missing number is 426.


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Saathvik Saasthan P from BBHS, Bengaluru
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Please mention your query


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Abin Jose from Delhi Public School, Sagar
Subject :IMO    Class : Class 8

Ans 1:

Suyash Choudhary from SAINT JOSEPH HIGH SCHOOL, Gorakhpur
Class : Class 9
c

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is D


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Abeer Sahni from DPS, Noida
Subject :IMO    Class : Class 1

Ans 1:

Ipshita from VIBGYOR, Bengaluru
Class : Class 1
The answer is b.

Ans 2:

manish from cms, lucknow
Class : Class 9
ANSWER IS B

Ans 3:

shreya from Airforce school , Bengaluru
Class : Class 6
Yes

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Nabeel Fareed Karim from International Indian school , Jeddah
Subject :IMO    Class : Class 8

Ans 1:

from DPS ,
Class : Class 8

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is D

We have,  
Squaring both sides, we get 
 
Now, again squaring both sides, we get x = 49.


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