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# Edexcel IGCSE Mathematics A - Paper 3H - 2016 - Unofficial Mark Scheme

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Why bother with a post grad course - waste of time? 17-10-2016
1. (Original post by cornflakeexpert)
pls!
OK I'll let you know once I have it.
Remind me on weekend.
2. (Original post by IGCSETANK)
Worst school? Ok then big **** search charter house and then tell me I got to the worst in the country ****** hahaha. Funny how you are self consciously trying to reassure yourself that you got it right by correcting other people that probably got it right, thick piece of ****. Really reflects your intellectual aptitude doesn't it?
I don't care what you are trying to say or if you're angry who the **** do you think you are using the word ****** like that. That's disgusting.
3. OK, sorry for misleading you. But we worked it out in our maths lesson (with our teacher), and the correct answer was 102.4cm^3.
4. (Original post by WhiteX)
for the set notaion what did you say for the last part because there is no commen letter bettwen the two right ?
Yes. Set A shares no members with Set B and vice versa.
5. (Original post by sivthasan)
OK, sorry for misleading you. But we worked it out in our maths lesson (with our teacher), and the correct answer was 102.4cm^3.
yh bro thats what i got
6. (Original post by sivthasan)
OK, sorry for misleading you. But we worked it out in our maths lesson (with our teacher), and the correct answer was 102.4cm^3.
Just saying, but it asked for that question to be to 3sf i believe, so it was just 102 cm ^3
7. Anyone remember the lengths of the sides of the pentagon - if so i can post some proof of 188.
8. It didn't ask for 3 significant figures, because it was an exact answer.
9. (Original post by sivthasan)
OK, sorry for misleading you. But we worked it out in our maths lesson (with our teacher), and the correct answer was 102.4cm^3.
I also got 102.4 the

volume factor was 15.625

and thus the working was 1600 / 15.625
10. Can someone tell me if I got the ratio question right

The question was A, B and C share 6000 (insert currency here) into the ratio 2 : 3 : 7
C then gives 3/5 of his share to D.
What percentage of the original total currency does D now have.

People are saying it is 38% but I got 35% here is how:

2 + 3 + 7 = 12
Therefore 1 share = 6000/12 = 500

C got 7 shares so he got 3500 (currency)

C then gave 3/5 of his share to D so I did 3500 x 3/5 = 2100

Then I did 2100/6000 = 0.35 which is 35%.

Where did I go wrong?? I'm a bit concerned. :/
11. (Original post by HKHASSAN)
Can someone tell me if I got the ratio question right

The question was A, B and C share 6000 (insert currency here) into the ratio 2 : 3 : 7
C then gives 3/5 of his share to D.
What percentage of the original total currency does D now have.

People are saying it is 38% but I got 35% here is how:

2 + 3 + 7 = 12
Therefore 1 share = 6000/12 = 500

C got 7 shares so he got 3500 (currency)

C then gave 3/5 of his share to D so I did 3500 x 3/5 = 2100

Then I did 2100/6000 = 0.35 which is 35%.

Where did I go wrong?? I'm a bit concerned. :/
I think it was there. ^
12. (Original post by HKHASSAN)
Can someone tell me if I got the ratio question right

The question was A, B and C share 6000 (insert currency here) into the ratio 2 : 3 : 7
C then gives 3/5 of his share to D.
What percentage of the original total currency does D now have.

People are saying it is 38% but I got 35% here is how:

2 + 3 + 7 = 12
Therefore 1 share = 6000/12 = 500

C got 7 shares so he got 3500 (currency)

C then gave 3/5 of his share to D so I did 3500 x 3/5 = 2100

Then I did 2100/6000 = 0.35 which is 35%.

Where did I go wrong?? I'm a bit concerned. :/
it was 2100 + 1000 = 3100

then 3100 / 6000 = 0.516

X100 =52%
13. (Original post by Martins1)
Anyone remember the lengths of the sides of the pentagon - if so i can post some proof of 188.
8, 12, 12, 8, 13 angles 105
14. (Original post by BOBQ)
it was 2100 + 1000 = 3100

then 3100 / 6000 = 0.516

X100 =52%
Why did you add 1000 currency? Did it say somewhere in the question that he already had 1000?
15. (Original post by HKHASSAN)
Can someone tell me if I got the ratio question right

The question was A, B and C share 6000 (insert currency here) into the ratio 2 : 3 : 7
C then gives 3/5 of his share to D.
What percentage of the original total currency does D now have.

People are saying it is 38% but I got 35% here is how:

2 + 3 + 7 = 12
Therefore 1 share = 6000/12 = 500

C got 7 shares so he got 3500 (currency)

C then gave 3/5 of his share to D so I did 3500 x 3/5 = 2100

Then I did 2100/6000 = 0.35 which is 35%.

Where did I go wrong?? I'm a bit concerned. :/
Yeah, it was 2100+1000=3100.
You will probably still get two or three out of five.
16. (Original post by HKHASSAN)
Can someone tell me if I got the ratio question right

The question was A, B and C share 6000 (insert currency here) into the ratio 2 : 3 : 7
C then gives 3/5 of his share to D.
What percentage of the original total currency does D now have.

People are saying it is 38% but I got 35% here is how:

2 + 3 + 7 = 12
Therefore 1 share = 6000/12 = 500

C got 7 shares so he got 3500 (currency)

C then gave 3/5 of his share to D so I did 3500 x 3/5 = 2100

Then I did 2100/6000 = 0.35 which is 35%.

Where did I go wrong?? I'm a bit concerned. :/
I think you need to add his original share onto 2100 rupees. He originally had 1000 rupees (t00x2). That's what I did anyway and I got 52
17. (Original post by HKHASSAN)
Why did you add 1000 currency? Did it say somewhere in the question that he already had 1000?

He had 2 of the 12 parts in the ratio.
18. (Original post by HKHASSAN)
Why did you add 1000 currency? Did it say somewhere in the question that he already had 1000?
It said " Imran gives Bhavin 3/5 of his money
19. (Original post by Martins1)

He had 2 of the 12 parts in the ratio.
Ohh I wish I read the question properly sometimes and not just dive into it :/
I thought Bhavin was some extra person :[
I don't think this affects my A* seeing as, overall, I lost about 7-8 marks max.
20. (Original post by HKHASSAN)
Can someone tell me if I got the ratio question right

The question was A, B and C share 6000 (insert currency here) into the ratio 2 : 3 : 7
C then gives 3/5 of his share to D.
What percentage of the original total currency does D now have.

People are saying it is 38% but I got 35% here is how:

2 + 3 + 7 = 12
Therefore 1 share = 6000/12 = 500

C got 7 shares so he got 3500 (currency)

C then gave 3/5 of his share to D so I did 3500 x 3/5 = 2100

Then I did 2100/6000 = 0.35 which is 35%.

Where did I go wrong?? I'm a bit concerned. :/
Didnt he already have like 1000 or something

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