International Maths Olympiad Forum By SOF Olympiad Trainer - Page 520
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Anil sinha from DPS, Chandigarh
Subject :IMO    Class : Class 6

Ans 1:

akshanjaswal from Modern Delhi International School, Faridabad
Class : Class 10
-4

Ans 2:

Anil sinha from DPS, Chandigarh
Class : Class 4
Like this :- First we will remove 6 from the left side of the equation and add 6 on the right side this would bring this :- x +25+5=26 Then we will substract 25 from both sides ,this would bring this :- x + 5 = 1 Then we will substract 5 from both sides this will give us :- x = -4 ,so x = -4

Ans 3:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10

Ans 4:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
x =20+6-5-25= - 4. so, x = - 4

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Mani from eabhyas academy, Hyderabad
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Kindly upload the image of the figure


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Sambhavi nayak from DAV Public school, Cuttack
Subject :IMO    Class : Class 8

Ans 1:

sagar kumar from D A V public school , NOIDA
Class : Class 10
C

Ans 2:

Sambhavi nayak from DAV Public school, Cuttack
Class : Class 8

Ans 3:

Jeet Das from Chinpai high school, Chinpai
Class : Class 8
The correct answer is option C.

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Sambhavi nayak from DAV Public school, Cuttack
Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is C.

 


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Ishan Uprit from Bhandari public school, khandwa
Subject :IMO    Class : Class 5

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Vishnu from The pupil saveetha eco school, Chennai
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A - 18


Ans 2:

Navni Dasgupta from Rcis, Bangalore
Class : Class 5

Ans 3:

Shubham Singh from Rockwoods High School, Udaipur
Class : Class 5
24

Ans 4:

saanvi from dpsnoida, Noida
Class : Class 6

Ans 5:

Shubham Singh from Rockwoods High School, Udaipur
Class : Class 5
because of 0 at first position, 6 possibilities are reduced from 24. so it is 18

Ans 6:

Girish Garg from Delhi public school, Bathinda
Class : Class 3
A,18 is correct answer

Ans 7:

Navni Dasgupta from Rcis, Bangalore
Class : Class 5
a- 18

Ans 8:

PnP from Vibgyor, Bengalore
Class : Class 6
Option a answer 18 is correct the rest are false options because os zero. Zero cannot come in thousands that s why it cannot be 24.

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Priyanshi from Delhi Public School, Gurugram
Subject :IMO    Class : Class 7

Ans 1:

Sreeraj from Naagarjuna, Hyderabad
Class : Class 8
Can you please post full question . I think the question is incomplete

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SHUBHAM VITTHAL LAD from Jet Kids International School Pusad, Pusad
Subject :IMO    Class : Class 8

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

Ans 1:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Class : Class 7
thank you very much

Ans 2:

Raheel from St Josephs Convent School, Bathinda
Class : Class 7

Ans 3:

Aashika Singh from Indian High School,Dubai, Dubai
Class : Class 8

Ans 4:

Shankar Eswarakumar from NPS International, Chennai
Class : Class 8

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The answer is D

Perimeter of the given figure 
= 9 × 1.5 + 6 × 3 + 6 × 6 
= (13.5 + 18 + 36) units = 67.5 units


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Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Subject :IMO    Class : Class 8

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