International Maths Olympiad Forum By SOF Olympiad Trainer - Page 374

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

(C): Factors of 18 = 
Factors of 27 = 
So, 6 is not a common factor of 18 and 27.


Ans 2: (Master Answer)

Class : Class 1

(C): Factors of 18 = 
Factors of 27 = 
So, 6 is not a common factor of 18 and 27.


Ans 3:

Class : Class 4
it shows that in which table does 24 and 46 are only in table of 2 the 46 comes after 2 x 12 and even after so many numbers.

Ans 4:

Class : Class 7
man see 3 is a factor of 18 but 27 table does not have 3 as thier factor because 3 multiplied by six is eighteen but 27 does not have a factor so 6 is not a common factor of 27

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

(C): Number of marbles in each group = 10
Total number of groups altogether had = 6 + 5 + 9 = 20
Total number of marbles = 20 x 10 + 4 = 204


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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
36-(117/4)= 27/4 Ans: (B) 6 3/4

Ans 3:

Class : Class 7

Ans 4:

Class : Class 9

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(B)

The least number of squares that must be added in the fiigure so that the line MN becomes a line of symmetry = 6


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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1

(B): Each girl will get 3 stamps . 


Therefore, 3 girls will get 3+3+3=9 stamps. 


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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

Option (A) is correct.


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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 9

Ans 2:

Class : Class 10
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Ans 3:

Class : Class 9
HOW?

Ans 4:

Class : Class 9

Ans 5:

Class : Class 7
B

Ans 6:

Class : Class 7
Solution please

Ans 7:

Class : Class 8
Solution please

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