Australian Maths Competition (2 Viewers)

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jjuunnee

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Re: Australian Maths Competition 2013

Mongose528 said:
This years one was bloody hard, well the intermediate one was. I'm not sure about the other divisions.
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i agree. wasnt able to work out any of the last 5 questions. if anyone has solutions to the last 5 please share
 
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Mongoose528

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Re: Australian Maths Competition 2013

question 26 had to be a factor of 2016 equal to or lower than 288
 
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Mongoose528

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Re: Australian Maths Competition 2013

this years test was way harder than last years intermediate paper imo
 
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si2136

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Re: Australian Maths Competition 2013

Got like one confirmed out of 5

Rest just educated guess

Last year was harder imo, this year was more formulas
 
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Mongoose528

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Re: Australian Maths Competition 2013

what do you reckon the cut-offs will be this year for year 9/10?
 
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si2136

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Re: Australian Maths Competition 2013

Mongose528 said:
what do you reckon the cut-offs will be this year for year 9/10?
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I did the senior division.



If you go through other threads, u might find some estimates.

Edit: I got D with 5X
 
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Mongoose528

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Re: Australian Maths Competition 2013

To whoever did the intermediate last year, which one did you think was harder, this years or last years?
 
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calamebe

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Re: Australian Maths Competition 2013

Did anyone else get 38 for the last question in the senior exam? Me and my friend both got 38 and so we're hoping we got it right.
 
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Mongoose528

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Re: Australian Maths Competition 2013

calamebe said:
Did anyone else get 38 for the last question in the senior exam? Me and my friend both got 38 and so we're hoping we got it right.
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was the question with the chords in your exam? It was number 30 in the intermediate paper so I thought it might have been number 27/28/29 in the senior paper
 
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calamebe

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Re: Australian Maths Competition 2013

We had a chord question yeah, not sure if it was the same one. There was 64 points on the circle and it was asking how many chords you could form without any crossing over. I couldn't work that out.
 
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Re: Australian Maths Competition 2013

calamebe said:
We had a chord question yeah, not sure if it was the same one. There was 64 points on the circle and it was asking how many chords you could form without any crossing over. I couldn't work that out.
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If its asking for the maximum number of chords without intersection, not number of ways, then I think its 125, idk though, 75% sure its wrong.
 
Paradoxica

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Re: Australian Maths Competition 2013

jathu123 said:
If its asking for the maximum number of chords without intersection, not number of ways, then I think its 125, idk though, 75% sure its wrong.
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No, I am sure it's 126. Unless I miscounted. Ceebs.
 
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