International Maths Olympiad Forum By SOF Olympiad Trainer - Page 358

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 3
MMDCCLX - MMDCCIIII=2860 -2753= 107= CVII

Ans 2:

Class : Class 6
D is the answer

Ans 3: (Master Answer)

Class : Class 1

(D) MMDCCCLX – MMDCCLIII = 2860 - 2753 = 107 = CVII


Ans 4:

Class : Class 9
cvii

Ans 5:

Class : Class 5
D

Ans 6:

Class : Class 1
D💯‼️

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Answer is C

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4

Ans 4:

Class : Class 5
I think its d

Ans 5:

Class : Class 9

Ans 6:

Class : Class 5

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
B

Ans 2: (Master Answer)

Class : Class 1

(B): Number of fishes in the aquarium = 10
Number of gold fishes = 3
Number of fishes which are not gold fish = 10 – 3 = 7
So, required fraction 


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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
A

Ans 2: (Master Answer)

Class : Class 1

(A): Fraction of  pie eaten by Nysa = 
Fraction of  pie eaten by Tony = 
Fraction of  pie eaten by Jenny = 
Total Fraction of  pie eaten by children = 


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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3: (Master Answer)

Class : Class 1

(C); Count the outer edges of each shape, consider each segment as one unit.
Perimeter of L = 12, Perimeter of M = 14, Perimeter of N = 12, Perimeter of O = 18
L and N has same perimeter
 


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