International Maths Olympiad Forum By SOF Olympiad Trainer

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
yes i agree all are correct is wrong as well as more appropriate as 2 are wrong and 1 is correct

Ans 2:

Class : Class 7
Arrey question can not be changed

Ans 3:

Class : Class 7
all are correct is also wrong statement

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
associative property

Ans 2:

Class : Class 7
associative property

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 4
100/2 Km

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
Explain it...... Need your help all the intellectuals

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
i think it is 7cm2

Ans 2:

Class : Class 6
6

Ans 3:

Class : Class 6
6.5

Ans 4:

Class : Class 6
i think its 7 cm

Ans 5:

Class : Class 7
i also got answer 6.5.excellent question

Ans 6:

Class : Class 5
I think it is 7cm

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
greatest number =13 the hcf of 234 and 182 = 13 like that

Ans 2:

Class : Class 8
to solve this question, you have to find the HCF of the numbers 234, 169, & 182. The HCF of these numbers is 13. So, the answer is 13 or option C

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 6
even I asked the same didn't understand

Ans 2:

Class : Class 3
I think the diagram / picture is missing, only question is there in the sheet

Ans 3:

Class : Class 2
Even I had raised the same question on forum. I could not find ny logic in the answer given.

Ans 4:

Class : Class 4
no relation between question and solution provided

Ans 5:

Class : Class 3
wrong question

Ans 6:

Class : Class 3

Ans 7:

Class : Class 3
No logic in this sum

Ans 8:

Class : Class 3
It is correct but tough one

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
GOOD

Ans 2:

Class : Class 10
Answer : C

Solution
2,12,20,21,22,23,24,25,26,27,28,29,32,42
22 has 2 '2s' in it. Hence the answer is 15

Ans 3:

Class : Class 4
True,should’be been C as 22 has two 2’s in itself

Ans 4:

Class : Class 10
Answer: C 2,12,20,21,22,23,24,25,26,27,28,29,32,42 14 numbers but total number of 2's are 15 as 22 contains 2 2's

Ans 5:

Class : Class 4

Ans 6:

Class : Class 4
Yes Answer is fifteen (15) option C See 2,12,20.21.2,2.23.24.25,26,27,28,29,32,42

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 10
Answer : b
Solution
Smallest : 4608
Largest : 4688
Numbers between smallest and largest : 4640, 4680
Sum = 4640+4680 = 9320
So B is the right answer

Ans 2:

Class : Class 5
Answer : b Solution Smallest : 4608 Largest : 4688 Numbers between smallest and largest : 4640, 4680 Sum = 4640 4680 = 9320 So B is the right answer

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