International Maths Olympiad Forum By SOF Olympiad Trainer - Page 77
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Samyaraj Chowdhury from DPS Ruby Park, Kolkata, Kolkata
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is C- 24690


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Aarav Gupta from Delhi Public School Bangalore East, Bangalore
Subject :IMO    Class : Class 4

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Jyoti Praful Shinde from New horizon public school , Mumbai
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Please mention your query


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Shubhan from Euro School, Mumbai
Subject :IMO    Class : Class 4

Ans 1:

KALLOL PAL from TIGPS Mankundu , CHANDANNAGAR
Class : Class 9
20

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is C

Number of detective books he read 
= 4 × 5 = 20.


Ans 3:

Prerna Singh from Loyola School, Jamshedpur
Class : Class 5
Ans. C (20)

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Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Subject :IMO    Class : Class 4

Ans 1:

Sayan Duary from Vidyasagar Shishu Niketan, Paschim Medinipur
Class : Class 8

Ans 2:

Arihaan Adhikari from Modern Delhi International School, Sector 87, Faridabad
Class : Class 8

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is D

 


Ans 4:

Mithi from G D BIRLA , Kolkata
Class : Class 2

Ans 5:

Arihaan Adhikari from Modern Delhi International School, Sector 87, Faridabad
Class : Class 8

Ans 6:

Aarush Pal from NPS International School, Singapore
Class : Class 3
The correct answer is D

Ans 7:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5

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tanmay srivastava from DPS Noida, Noida
Subject :IMO    Class : Class 4

Ans 1:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
The correct option feeded into the question is wrong. It should be C, but the correct answer in this is B!

Ans 2:

Arin Malhotra from Rajkumar college Raipur, Raipur
Class : Class 7
B

Ans 3:

KALLOL PAL from TIGPS Mankundu , CHANDANNAGAR
Class : Class 9
c=100,M=1000 so cm =100-1000 (answer. c)

Ans 4:

Rozan nirmali from GIIS, japan
Class : Class 7
The correct answer is option B.

Ans 5:

Arin Malhotra from Rajkumar college Raipur, Raipur
Class : Class 7
B

Ans 6:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
a

Ans 7:

Prerna Singh from Loyola School, Jamshedpur
Class : Class 5
The correct answer would be option C because CM = 900. C=100, M=1000. So, the smaller no. is in the beginning, it will be minus. So, 1000-100 is the correct ans.

Ans 8: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correcr answer is B

CM = 1000 – 100.


Ans 9:

Swarit from Indian School Wadi kabir, Muscat
Class : Class 6
The correcr answer is B CM = 1000 – 100.

Ans 10:

Shaurya agrawal from kothari international school, pune
Class : Class 7

Ans 11:

Mohammad Zamam Ansari from Billabong International High School, Bhopal
Class : Class 1
bakwaas question hai

Ans 12:

Supreeth from Sssbj, Bangalore
Class : Class 6
A

Ans 13:

Ankit Kumar Mistry from Kalyani Public School, Kolkata
Class : Class 7
The answer is B because CM=C-M=C(100)-M(1000)We cannot subtract 100-1000 So the formula should be 1000-100 l Therefore, TH H T O 1 0 0 0 - 1 0 0 ----------------------- 9 0 0 So, B is the right answer.

Ans 14:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 9
b is the answer

Ans 15:

Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Class : Class 5
The correct answer is b

Ans 16:

MANDAR PALKAR from KV DRDO, Bengaluru
Class : Class 2
CM=1000-100

Ans 17:

Ashwak from Cambridge, Jalandhar
Class : Class 9
B is the correct answer because we cannot subtract 1000 from 100

Ans 18:

Supreeth from Sssbj, Bangalore
Class : Class 6
A

Ans 19:

Vanishi Jain from DELHI PUBLIC SCHOOL, Noida
Class : Class 4
If there is C before M that means that we are subtracting 100 from 1000 . We write it as 1000 - 100. Answer : B

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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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Kavish Marwah from Pawar Public School Chandivali, Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Vaibhabi Debbarma from HOLY CROSS SCHOOL AGARTALA, AGARTALA
Class : Class 6
The answer is option C

Ans 2:

Writaja Majumder from DPS Megacity,Kolkata, KOLKATA
Class : Class 5
Option C

Ans 3:

Supreeth from Sssbj, Bangalore
Class : Class 6
C

Ans 4:

anu from Haralur, Bengaluru
Class : Class 5
poopface is shaurya LLLLL

Ans 5:

Angela from new gulf indian, kuwait
Class : Class 5
the correct answer is option d

Ans 6:

Yatindra G from SBOA, Chennai
Class : Class 4
But Shaurya, I can't understand WHAT you are saying.

Ans 7:

Yatindra G from SBOA, Chennai
Class : Class 4
Anyways, the correct option is (D) because Everything else is correct.

Ans 8:

Akanksha A from Chrysalis High, Bangalore 560066
Class : Class 9
Ans :ABut can someone explain this question

Ans 9:

Adhrit Maddulapalli from CHSV, Chennai
Class : Class 6

Ans 10:

Supreeth from Sssbj, Bangalore
Class : Class 6
C

Ans 11:

shaurya mishra from aps, jhansi
Class : Class 4
option a(54968)

Ans 12:

Mudit from SSRVM, Bangalore
Class : Class 4
Option C

Ans 13:

Chinmay S Amboori from Adani Public School, Mundra
Class : Class 7
selected C showing A

Ans 14:

Ivjot Singh Hanspal from Allen Career Institute, Surat
Class : Class 9
The answer is C.

Ans 15:

Yatindra G from SBOA, Chennai
Class : Class 4
Anu take a chill pill bro!! Forum is to discuss and not to trash talk like YOU!!

Ans 16:

Aaditya from dpsnoida , Noida
Class : Class 4
A B C IS CORRECT MEANS D IS CORRET D=ALL OF THESE

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Tathagat Sahoo from Tathagat Sahoo, Pune
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B.

720 X 83 =  59760

59760 - 825 = 58935

If we round off 58935 to the nearest hundred then we will get 58900


Ans 2:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 8
OK SIR THANKYOU

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Hardik from Dasmesh public school kotkapura, Kotkapura
Subject :IMO    Class : Class 4

Ans 1:

Malavya Chaturvedi from Study Hall, Lucknow
Class : Class 8
C

Ans 2:

Daksh Jain from Deens Academy, Bangalore
Class : Class 4
D

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is D.


Ans 4:

Jayanth from The Deens Academy, Bengaluru
Class : Class 4
How

Ans 5:

Advik Tripathi from The Khaitan School, Noida
Class : Class 8

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