International Maths Olympiad Forum By SOF Olympiad Trainer - Page 572

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7

Ans 5:

Class : Class 7
NO ANSWER

Ans 6:

Class : Class 5

Ans 7:

Class : Class 5
b

Ans 8:

Class : Class 8
a

Ans 9:

Class : Class 5

Ans 10:

Class : Class 5
Fuck

Ans 11:

Class : Class 10

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
the answer is a

Ans 2:

Class : Class 3
the answer is a

Ans 3:

Class : Class 4

Ans 4:

Class : Class 8
A

Ans 5:

Class : Class 3

Ans 6:

Class : Class 6
the answer is a

Ans 7:

Class : Class 9
A

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
225

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
It is A. Has 2/4 shaded 3/4 Shaded

Ans 2:

Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
it should be 6000.

Ans 2:

Class : Class 7
i thought to round off down it came 5000 but i got right answer being wrong

Ans 3:

Class : Class 3
Yes the answer should be 6000. Check it

Ans 4:

Class : Class 5
The answer should be 6000

Ans 5:

Class : Class 3
you all are right it is showing 392 but when i check in calculator the ans is

Ans 6:

Class : Class 5

Ans 7:

Class : Class 5
it should be 6000

Ans 8:

Class : Class 5
sum is 390 they are showing 392

Ans 9:

Class : Class 5
guys when the questions are wrong you should always go with the closest answer. I have done this many times

Ans 10:

Class : Class 5
It should be 6000. 123.5 266.5 = 390.0 . Now multiply 390.0* 15.5 = 6045. Rounding to thousand = 6000

Ans 11:

Class : Class 7
yes 6000

Ans 12:

Class : Class 5

Ans 13:

Class : Class 10
question needs to be corrected

Ans 14:

Class : Class 5
it should be 5000

Ans 15:

Class : Class 8

Ans 16:

Class : Class 5

Ans 17:

Class : Class 7
The answer is 6000 but SOF is showing 5000 as. the answer .

Ans 18:

Class : Class 3
this sof question is idiot

Ans 19:

Class : Class 5
when we multiply the answer is 6045.0 , which rounds up to 6000. Resulting that the SOF community has given the answer wrong.

Ans 20:

Class : Class 5
ans is a

Ans 21:

Class : Class 7
the answer is coming as 6045. when we round it off, it is 6000 and sof is getting 392 and round off is getting 5000. HOW IS IT POSSIBLE?

Ans 22:

Class : Class 5
it should be 6000

Ans 23:

Class : Class 6

Ans 24:

Class : Class 5
Guys its just a typo. They put 5 instead of 6.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
ans is 28

Ans 2:

Class : Class 7
I agree with Mukil

Ans 3:

Class : Class 7
They say the answer should be slightly higher than 28, which I agree with, but 34 isn't slightly greater—the difference is 6!

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9
34 is 6 greater than 28 so two small arcs wont add up to that amount

Ans 6:

Class : Class 8

Ans 7:

Class : Class 7
please check the answer.it should be 28 sq.cm

Ans 8:

Class : Class 4
then it should be exact 28 not slightly grater then it

Ans 9:

Class : Class 8
yes

Ans 10:

Class : Class 6
It should be 28

Ans 11:

Class : Class 6
ans should be 28

Ans 12:

Class : Class 4
yes it is 28 cm2

Ans 13:

Class : Class 7
Ans should be A because it is even mentioned in solution.Please check the answer.

Ans 14:

Class : Class 10
if its less then 1/2 then it should be 0...the ANSWER IS A

Ans 15:

Class : Class 8

Ans 16:

Class : Class 8
ans is 28

Ans 17:

Class : Class 6
The answer should be 28

Ans 18:

Class : Class 9

Ans 19:

Class : Class 6
Explain questions no 7

Ans 20:

Class : Class 7
They say the answer should be slightly higher than 28, which I agree with, but 34 isn't slightly greater—the difference is 6!

Ans 21:

Class : Class 5
Another mistake by SOF. Two mistakes in one exam! Correct option is A because if we take 1 square as 1 sq. cm, then two less than half arcs won't add up to 6 but rounded off to 0. My marks should be 55, not 53

Ans 22:

Class : Class 7

Ans 23:

Class : Class 8

Ans 24:

Class : Class 6
of course 28

Ans 25:

Class : Class 7

Ans 26:

Class : Class 6
28 should be the answer then

Ans 27:

Class : Class 6
the answer is 28

Ans 28:

Class : Class 6
Ans sould be 28cm2

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 10

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Subject :IMO    Class : Class 3

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