International Maths Olympiad Forum By SOF Olympiad Trainer - Page 508

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6

Ans 4:

Class : Class 5
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 7
yes 6000

Ans 2:

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

Ans 3:

Class : Class 5

Ans 4:

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 5:

Class : Class 5
sum is 390 they are showing 392

Ans 6:

Class : Class 5

Ans 7:

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

Ans 8:

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 9:

Class : Class 5
it should be 6000

Ans 10:

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

Ans 11:

Class : Class 5

Ans 12:

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

Ans 13:

Class : Class 5
The answer should be 6000

Ans 14:

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 15:

Class : Class 5
it should be 5000

Ans 16:

Class : Class 5
it should be 6000

Ans 17:

Class : Class 8

Ans 18:

Class : Class 10
question needs to be corrected

Ans 19:

Class : Class 5

Ans 20:

Class : Class 5
it should be 6000.

Ans 21:

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

Ans 22:

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

Ans 23:

Class : Class 3
this sof question is idiot

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Subject :IMO    Class : Class 6

Ans 1:

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

Ans 2:

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 3:

Class : Class 8
yes

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6
28 should be the answer then

Ans 6:

Class : Class 9

Ans 7:

Class : Class 7

Ans 8:

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 9:

Class : Class 7
ans is 28

Ans 10:

Class : Class 6
The answer should be 28

Ans 11:

Class : Class 6
Ans should be A because it is even mentioned in solution.Please check the answer.

Ans 12:

Class : Class 6
Explain questions no 7

Ans 13:

Class : Class 8

Ans 14:

Class : Class 6
the answer is 28

Ans 15:

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

Ans 16:

Class : Class 6

Ans 17:

Class : Class 6

Ans 18:

Class : Class 7
ans is 28

Ans 19:

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

Ans 20:

Class : Class 7
I agree with Mukil

Ans 21:

Class : Class 6
of course 28

Ans 22:

Class : Class 6
It should be 28

Ans 23:

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

Ans 24:

Class : Class 6
ans should be 28

Ans 25:

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 26:

Class : Class 8

Ans 27:

Class : Class 4
yes it is 28 cm2

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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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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
I have given the answer but it is showing that I have not given the answer

Ans 3:

Class : Class 4
It is your mistake bhavya

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Subject :IMO    Class : Class 7

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