Official D1 Thread May '06 Watch

kammykammy
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#21
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#21
(Original post by np_desi)
WOOHOO!!!
woohoo 2nd!I liked this paper, i totally screwed up the stats paper so hopefully iv gained loadsa marks on this paper.
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Dabster
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#22
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#22
that paper was a breeze, im sure i got the maximum mark, im concurring with everyone on this thread, and the strangest thing is that i only revised the night before, bring on the A's
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saudalthani
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#23
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#23
The D1 paper was good but i didn't have time to finish This is the first time I do a D1 paper so I wasn't sure about the time constraint...

What is the usual grade boundry for an A? Is it normal to incomplete a D1 paper as most people who did it with me did not finish either...
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danmufc88
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#24
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#24
its normally around 46/75 for most of the past papers i did bt who knows this yr lol! totally fooked the last question up again didnt hav enough time! wat marks do u all rekon uv got?
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saudalthani
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#25
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#25
I really dunno but i think im going to get in the 40-50% range - I wanna get an A but i don't think I will first time round...
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np_desi
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#26
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#26
(Original post by Daban)
that paper was a breeze, im sure i got the maximum mark, im concurring with everyone on this thread, and the strangest thing is that i only revised the night before, bring on the A's
LIAR!!!

i saw u sit in that exam hall for the remaining 50 mins doing nothing.... nice try to fool others tho lol....
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Dabster
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#27
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#27
i was sitting for 50 min doin nothing because it was so easy that i thought i only needed only 10 mins at the end to finish it
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danmufc88
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#28
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#28
past paper man wen do u think ul hav the paper and solutions up by??
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PennyRoyalTea
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#29
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#29
Meh, yeah that paper was niiice!..It could have been much worse..I got 471 for the route inspection problem, 20400 for P, 98 for the flow..etc..did any one else get 118 for the final part of the dijkstra's algorithm question?
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hvarsani
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#30
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#30
sup fellow D1 candidates!!!
i fort the exam wen quite well, i no nirav n its true we learnt how 2 do the flow about 3hrs b4 the exam n am i glad i learnt how 2 do it, first time ive ever been able2 do it
well these are the answers i got:
Q1) Basic Bubble Sort
Q2) Matching, wasnt difficult eaither, jus messes up on the definitation.
Q3) Route Inspection: was bad either, i used AE n CG, so it was 77+394= 471 dont no about wot to use as a new start or finish though
Q4) Dijsktars (however u spell it) i got 108 i think, wasnt to bad
Q5) Crirtical Path - i got 54 as a total answer, D had a float of 2, n the i think it was F thats had a float of 8. and then drawing the gant cascade graph wasnt bed either,
Q6) well its the great simplex method, personally a nice 16 marks,
a) P=35x + 50y + 60z, 7x + 10y + 12z < 3600, 10x + 10y + 10z<3600
2x + 3y + 5z < 2400, i think i rememba them 2 be that roughly
b) first u had 18000 after first tableau and then final profit was 20400
c) P=20400 x=0, y=120, z=240, s=0, r=0 & t=15 i think
And finally Q7) im not sure how well i did, i got about 8_ for Cut 1, and for Cut 2 i got about 9_ i think, and inital flow was 76
for the maximal flow i got 98

PLz reply back if u think im correct or got anythin rong, thanx
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hvarsani
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#31
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#31
sup fellow D1 candidates!!!
i fort the exam wen quite well, i no nirav n its true we learnt how 2 do the flow about 3hrs b4 the exam n am i glad i learnt how 2 do it, first time ive ever been able2 do it
well these are the answers i got:
Q1) Basic Bubble Sort
Q2) Matching, wasnt difficult eaither, jus messes up on the definitation.
Q3) Route Inspection: was bad either, i used AE n CG, so it was 77+394= 471 dont no about wot to use as a new start or finish though
Q4) Dijsktars (however u spell it) i got 108 i think, wasnt to bad
Q5) Crirtical Path - i got 54 as a total answer, D had a float of 2, n the i think it was F thats had a float of 8. and then drawing the gant cascade graph wasnt bed either,
Q6) well its the great simplex method, personally a nice 16 marks,
a) P=35x + 50y + 60z, 7x + 10y + 12z < 3600, 10x + 10y + 10z<3600
2x + 3y + 5z < 2400, i think i rememba them 2 be that roughly
b) first u had 18000 after first tableau and then final profit was 20400
c) P=20400 x=0, y=120, z=240, s=0, r=0 & t=1200 i think
And finally Q7) im not sure how well i did, i got about 8_ for Cut 1, and for Cut 2 i got about 9_ i think, and inital flow was 76
for the maximal flow i got 98

PLz reply back if u think im correct or got anythin rong, thanx
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PennyRoyalTea
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#32
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#32
(Original post by hvarsani)
sup fellow D1 candidates!!!
i fort the exam wen quite well, i no nirav n its true we learnt how 2 do the flow about 3hrs b4 the exam n am i glad i learnt how 2 do it, first time ive ever been able2 do it
well these are the answers i got:
Q1) Basic Bubble Sort
Q2) Matching, wasnt difficult eaither, jus messes up on the definitation.
Q3) Route Inspection: was bad either, i used AE n CG, so it was 77+394= 471 dont no about wot to use as a new start or finish though
Q4) Dijsktars (however u spell it) i got 108 i think, wasnt to bad
Q5) Crirtical Path - i got 54 as a total answer, D had a float of 2, n the i think it was F thats had a float of 8. and then drawing the gant cascade graph wasnt bed either,
Q6) well its the great simplex method, personally a nice 16 marks,
a) P=35x + 50y + 60z, 7x + 10y + 12z < 3600, 10x + 10y + 10z<3600
2x + 3y + 5z < 2400, i think i rememba them 2 be that roughly
b) first u had 18000 after first tableau and then final profit was 20400
c) P=20400 x=0, y=120, z=240, s=0, r=0 & t=15 i think
And finally Q7) im not sure how well i did, i got about 8_ for Cut 1, and for Cut 2 i got about 9_ i think, and inital flow was 76
for the maximal flow i got 98

PLz reply back if u think im correct or got anythin rong, thanx
****e!..I got t= 1200 for question 6 dammit..I thought it was a bit high for a slack variable, ah well :p:
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hvarsani
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#33
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#33
(Original post by PennyRoyalTea)
****e!..I got t= 1200 for question 6 dammit..I thought it was a bit high for a slack variable, ah well :p:

hey i think it was 1200, im jus doin it from memory n i cant rememba it well, did it about 9hours ago, lol
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Trepur99
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#34
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#34
I was really happy with this paper. I've only done one paper before in the mock and had absolutely no time to finish. This time I had 5 mins to check through and I'm relieved to see that I got the same answers as others on here. We have it as a self study module in our school for further maths, so we've been given no help, but I think most people came out ok actually!
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procrastinate now
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#35
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#35
damn...i got 83 for the flow, and i made some stupid errors on the simplex...i found it flippin hard!
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Trepur99
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#36
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#36
yeah I got 1200 for t as well (safety in numbers...I hope!)
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hvarsani
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#37
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#37
glad 2 see everyone is gettin similar or the same answers as me
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PennyRoyalTea
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#38
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#38
(Original post by hvarsani)
hey i think it was 1200, im jus doin it from memory n i cant rememba it well, did it about 9hours ago, lol
Heh, fair point ..well as long as you got 1200..:rolleyes:
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np_desi
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#39
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#39
(Original post by hvarsani)
sup fellow D1 candidates!!!
i fort the exam wen quite well, i no nirav n its true we learnt how 2 do the flow about 3hrs b4 the exam n am i glad i learnt how 2 do it, first time ive ever been able2 do it
well these are the answers i got:
Q1) Basic Bubble Sort
Q2) Matching, wasnt difficult eaither, jus messes up on the definitation.
Q3) Route Inspection: was bad either, i used AE n CG, so it was 77+394= 471 dont no about wot to use as a new start or finish though
Q4) Dijsktars (however u spell it) i got 108[<<< I THINK I GOT 114/118 ] i think, wasnt to bad
Q5) Crirtical Path - i got 54 as a total answer, D had a float of 2, n the i think it was F thats had a float of 8. and then drawing the gant cascade graph wasnt bed either,
Q6) well its the great simplex method, personally a nice 16 marks,
a) P=35x + 50y + 60z, 7x + 10y + 12z < 3600, 10x + 10y + 10z<3600
2x + 3y + 5z < 2400, i think i rememba them 2 be that roughly
b) first u had 18000 after first tableau and then final profit was 20400
c) P=20400 x=0, y=120, z=240, s=0, r=0 & t=1200<<[I THINK I GOT THAT!] i think
And finally Q7) im not sure how well i did, i got about 8_ for Cut 1, and for Cut 2 i got about 9_ i think, and inital flow was 76
for the maximal flow i got 98

PLz reply back if u think im correct or got anythin rong, thanx
on the whole seems same as every1 else

hated the definitions, cuts were a BIT of a guess... oh well... hopefully an A, and I am happy! less tension for M1/S2

[ps chk the edited quote!]
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laura j
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#40
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#40
It was nowhere near as bad as I thought, I managed to answer all the questions anyway! Except the simplex one, I was completely stumped even though my teacher went over it an hour before. Well anyway I counted up the marks I thought I'd got and it came to around a B? That's alright considering that my revision was less than thorough.

Did anyone else think the last question was scarily easy considering it was the last question on the paper? I'm convinced I missed something because it was so straightforward.
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