International Maths Olympiad Forum By SOF Olympiad Trainer - Page 463

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
The answer is B

Ans 3:

Class : Class 6

Ans 4:

Class : Class 4

Ans 5:

Class : Class 8
the questison isrree co rong thw

Ans 6:

Class : Class 5
B

Ans 7:

Class : Class 8
Answer is B

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9
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 9
OK

Ans 3:

Class : Class 9
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 4:

Class : Class 9
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

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
The answer is any one of the four options i guess xD

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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

Ans 4:

Class : Class 8
c

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
The answer is A as the breadth of the rectangle is 2 cm. The length of the rectangle is 5 so 2 minus 5 is 3 and if we divide it into two parts it is 2 and 1. So we need to plus 2,2,2,1,2,1,1,2,1,2,2,2 for the answer. The answer after adding these numbers is 20

Ans 2:

Class : Class 4
Option A

Ans 3:

Class : Class 4
please explain clearly . its not right

Ans 4:

Class : Class 8
Answer is correct but how? For this Question check the solution from SOF website or from your IMO Workbook. Actually I am not SOF and I myself did not understand how A

Ans 5:

Class : Class 8
(continued) How a

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5
check the solution

Ans 8:

Class : Class 5
its option A

Ans 9:

Class : Class 8
Actually I checked in New Guided Mathematics book 5 and I got formula for answer is 2*(L*B). So you can refer to this book. KEY - *= multiplication sign; L= length; B=breadth

Ans 10:

Class : Class 7
where is the breath

Ans 11:

Class : Class 7
option A is correct and it is clear from the SOF explanation

Ans 12:

Class : Class 5
Option A Thank you from Aarna Goel

Ans 13:

Class : Class 4

Ans 14:

Class : Class 8
the answer is not correct. Please respond.

Ans 15:

Class : Class 8
Answer is not clear

Ans 16:

Class : Class 8
explain clearly

Ans 17:

Class : Class 8
The answer does not have the breadth added to it.

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7
They said the 7th letter, 1, 3, and 9 are not letters.

Ans 3:

Class : Class 9

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