International Maths Olympiad Forum By SOF Olympiad Trainer - Page 439

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
I got it wrong

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8

Ans 5:

Class : Class 4

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Class : Class 10
Answer is A. Division is distributive over addition. As for example, (8 4)/2 = 8/2 4/2

Ans 7:

Class : Class 6
Could someone explain how the answer is B.

Ans 8:

Class : Class 8

Ans 9:

Class : Class 7

Ans 10:

Class : Class 10
The answer is B so if you take 25 / (2 3) = 25/3 25/2 = 50/6 75 /6 = 125 /6 which is aproximate to 21

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9

Ans 4:

Class : Class 6

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
Just count the number of places shaded,divide by 3,then count the total by taking each piece as 3

Ans 7:

Class : Class 6

Ans 8:

Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
The correct option is "A" as 2 to the power of 3 added to itself 4 times is the same as 2 to the power of 5 which is 32

Ans 2:

Class : Class 7
ANSWER IS OPTION A

Ans 3:

Class : Class 7

Ans 4:

Class : Class 3

Ans 5:

Class : Class 7
answer is option a because 2*2*2(4)=30 and 2*2*2*2*2=30 so the answer is option a

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 1
jm

Ans 2:

Class : Class 6
good

Ans 3:

Class : Class 1
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

Ans 4:

Class : Class 1
uu

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9

Ans 3:

Class : Class 2

Ans 4:

Class : Class 6
answer is part c

Ans 5:

Class : Class 8

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