International Maths Olympiad Forum By SOF Olympiad Trainer

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
B

Ans 2:

Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
let each pencil costs x. So 5 pencil costs 5x Therefore 70-5x = y or -5x= y-70 or 5x=70-y or x= (70-y)/5

Ans 2:

Class : Class 6
let each pencil costs x. So 5 pencil costs 5x Therefore 70-5x = y or -5x= y-70 or 5x=70-y or x= (70-y)/5

Ans 3:

Class : Class 6
let each pencil costs x. So 5 pencil costs 5x Therefore 70-5x = y or -5x= y-70 or 5x=70-y or x= (70-y)/5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
It is not B because Option:B is in ascending order. Correct answer is Option=C.

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
c

Ans 2:

Class : Class 5
C

Ans 3:

Class : Class 5
C

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
explain clearly

Ans 2:

Class : Class 4
the answer is not correct. Please respond.

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
answer is C

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