International Maths Olympiad Forum By SOF Olympiad Trainer

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Subject :IMO    Class : Class 8

## Ans 1:

Class : Class 9
In the first triangle, root of 1=1 root of 16=4 root of 9=3 therefore,the number inside is 143 In the second triangle, root of ?=2 root of 9=3 root of 36=6 Therefore,the ? represents the square of 2,that is,4 ANS:4

Class : Class 8

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Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
answer A is correct. find 2/5 of 18 3/7

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Subject :IMO    Class : Class 6

## Ans 1:

Class : Class 7
None of these should be answer. C can not be correct eg 24, it is divisible by both 3 and 6 but not by 18

Class : Class 7

## Ans 3:

Class : Class 6
None of these should be the answer

## Ans 4:

Class : Class 6
None of these as 12 divisible by both 3 and 6 is not divisible by 18

Class : Class 7
The answer is D

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Subject :IMO    Class : Class 4

## Ans 1:

Class : Class 5
No , the answer is3900 only

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Subject :IMO    Class : Class 6

Class : Class 7

Class : Class 7

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Subject :IMO    Class : Class 3

## Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :IMO    Class : Class 8

Class : Class 9
3600

## Ans 2:

Class : Class 8
1200 IS NOT A PERFECT SQUARE THEREFORE THE ANSWER IS 3600 HOPE IT HELPED!

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Subject :IMO    Class : Class 5

## Ans 1: (Master Answer)

Class : Class 1
Consider the first number as x. The second number will be 3x/5. The third number will be (3/4)(3x/5). Now, the difference between first and third number is 33. Put the values into the equation and get the answer. The correct answer is B.

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Subject :IMO    Class : Class 4

Class : Class 4
b xc=110

## Ans 2:

Class : Class 4
Ans is D AsXL value is 40 n IX value is 9 so 40 + 9 is 49

## Ans 3:

Class : Class 4
Ans is D AsXL value is 40 n IX value is 9 so 40 + 9 is 49

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Subject :IMO    Class : Class 4

Class : Class 5
ANSWER IS B