International Maths Olympiad Forum By SOF Olympiad Trainer - Page 521

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8
a

Ans 3:

Class : Class 10

Ans 4:

Class : Class 8

Ans 5:

Class : Class 7

Ans 6:

Class : Class 5

Ans 7:

Class : Class 5

Ans 8:

Class : Class 5
b

Ans 9:

Class : Class 7
NO ANSWER

Ans 10:

Class : Class 5
Fuck

Ans 11:

Class : Class 5

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
the answer is a

Ans 2:

Class : Class 9
A

Ans 3:

Class : Class 3
the answer is a

Ans 4:

Class : Class 3

Ans 5:

Class : Class 8
A

Ans 6:

Class : Class 3

Ans 7:

Class : Class 6
the answer is a

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
225

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

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

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

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

Ans 3:

Class : Class 8

Ans 4:

Class : Class 7
yes 6000

Ans 5:

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 6:

Class : Class 5
it should be 6000

Ans 7:

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

Ans 8:

Class : Class 5

Ans 9:

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

Ans 10:

Class : Class 5
sum is 390 they are showing 392

Ans 11:

Class : Class 3
this sof question is idiot

Ans 12:

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

Ans 13:

Class : Class 6

Ans 14:

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 15:

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

Ans 16:

Class : Class 5
it should be 6000.

Ans 17:

Class : Class 5

Ans 18:

Class : Class 5
it should be 5000

Ans 19:

Class : Class 5
it should be 6000

Ans 20:

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

Ans 21:

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 22:

Class : Class 10
question needs to be corrected

Ans 23:

Class : Class 5
The answer should be 6000

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
It should be 28

Ans 2:

Class : Class 6
Explain questions no 7

Ans 3:

Class : Class 7
ans is 28

Ans 4:

Class : Class 8

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 4
yes it is 28 cm2

Ans 8:

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

Ans 9:

Class : Class 6
The answer should be 28

Ans 10:

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

Ans 11:

Class : Class 6
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 12:

Class : Class 7

Ans 13:

Class : Class 7
I agree with Mukil

Ans 14:

Class : Class 7

Ans 15:

Class : Class 6

Ans 16:

Class : Class 6
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 17:

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 18:

Class : Class 8

Ans 19:

Class : Class 8
yes

Ans 20:

Class : Class 6

Ans 21:

Class : Class 9

Ans 22:

Class : Class 7
ans is 28

Ans 23:

Class : Class 6
of course 28

Ans 24:

Class : Class 6
ans should be 28

Ans 25:

Class : Class 6
the answer is 28

Ans 26:

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

Ans 27:

Class : Class 6
28 should be the answer then

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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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Subject :IMO    Class : Class 3

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