International Maths Olympiad Forum By SOF Olympiad Trainer - Page 382
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Deblina Biswas from Dps Newtown, Kolkata
Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): 50 tens = 500
And, 400 is less than 500.
Hence, option (B) is correct.


Ans 2:

Sooraj Ranjan from St Gregorios High School, Mumbai
Class : Class 6

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Sampurna Mandal from DAV Public School Jagganath Talcher, Angul
Subject :IMO    Class : Class 8

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Shalmali Sirsi from Legacy School , Bangalore
Subject :IMO    Class : Class 5

Ans 1:

Saarangi P Nair from Kensri School and College, Bangalore
Class : Class 5

Ans 2:

Manisha Bakde from Lodha world school, Navi mumbai
Class : Class 5
how

Ans 3:

Eashta Khodke from Elpro International School Chinchwad Pune, Pune
Class : Class 8

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): The smallest 6-digit number that can be formed is 102369.


Ans 5:

Vivaan gulati from NPS international , Singapore
Class : Class 5
Shouldn't it be A. It didnt say that it has to be like u know

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Rudraksh Tiwari from Kumaon Public School Dwarahat, Almora
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):

 Ritesh’s father (Varun) and Rahul’s mother(Sarika) are brother and sister.
  So , Ritesh is cousin of Rahul . 


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DEVANSHU from DAV, Muzaffarpur
Subject :IMO    Class : Class 7

Ans 1:

Kumar Krishiv from Apeejay School, Noida
Class : Class 8
WHY

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option A. 


Ans 3:

Soham Mukherjee from The Millennium, Dubai
Class : Class 8

Ans 4:

Soumili Mukherjee from KV2 , Kalpakkam
Class : Class 8

Ans 5:

Karthik Reddy Munnangi from Chirec International School, Hyderabad
Class : Class 7
I think the answer is C

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Jolesh Kalawate from Nv Chinmaya vidyalaya, Shegoan
Subject :IMO    Class : Class 1

Ans 1:

SAAS from Loyola School, Bhubaneswar
Class : Class 4

Ans 2:

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

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): Cost of a Paperclip = ₹ 25
Cost of a Bag = ₹ 155
Cost of a Notebook = ₹ 86
∴ Total Required cost
= ₹ 25 + ₹ 155 + ₹ 86
= ₹ 266 i.e., CCLXVI


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abhinav v from LMOIS, Chennai
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): 

 


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Dhairya Godbole from KLE Eng Medium School, SOLAPUR
Subject :IMO    Class : Class 6

Ans 1:

Vasudha from PSBB KK Nagar, Chennai
Class : Class 8
D

Ans 2:

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

Ans 3:

anya from Delhi public school, Greater noida
Class : Class 7
D

Ans 4:

Avyukt from National Public School, Bangalore
Class : Class 7
sghdhgfdy

Ans 5:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 10

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option D. 


Ans 7:

Sejal Mittal from dlf, ghaziabad
Class : Class 6

Ans 8:

tejas from Vikas The Concept School, hyderabad
Class : Class 6

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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 4

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Ashwak from Cambridge, Jalandhar
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1


(C): Ali will be 6y years old in 6 years time so  his  present age = 6y - 6
4y years ago his age =  (6y - 6) - 4y = 6y - 6 - 4y = 2y - 6
 


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