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# IGCSE EDEXCEL MATHS PAPER 4H Unofficial Mark Scheme

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1. (Original post by Martins1)
It depends on the examiner, but if you are talking about the probability one, as long as you have shown that you were figuring out the right suff, just used the wrong fractions, you'll likely get the ECF or will only lose 1 mark.
Made my day bro! Thanks a lot
2. [QUOTE=Dr Carlsberg;65599727]Wasn't Q1 3n+7 because the sequence was 7,10,13,16,19,21 etc?[/QUOTE
Does anyone kbo the grade boundaries
3. (Original post by Dr Carlsberg)
Wasn't Q1 3n+7 because the sequence was 7,10,13,16,19,21 etc?
Does anyone know the grade boundaries for a c
4. (Original post by James the 23rd)
I think for part b of the Venn diagram question it was 5/9 and not 9/64, as it asked the probability of the students who both owned a desktop and a laptop to also have a tablet.
i got 5/9
5. Did anyone think this was a really nice paper?!
6. (Original post by cum002)
Did anyone think this was a really nice paper?!
it was pretty good but the venn diagram sucked and im not kidding my eyes teared up when i reached q12 because i forgot how to do it because im a bloody idiot
what if everyone found it so easy that the grade boundaries go super high uff
7. (Original post by Martins1)

More... I would estimate for that paper:
A*=85
Nope.Never been above 82,And it was not the ''easiest'' paper ever.
8. (Original post by umbralarbiter)
also, can you remember the 2 values stated for m and p?
m=512
p=128
9. what do you guys think an A will be? ;((((
10. what was question 12a?
11. (Original post by gameofno)
what do you guys think an A will be? ;((((
64, probably.
12. (Original post by Martins1)
Just noticed - 22a is wrong.
It was 2q - 5p
Because it was 1:4 in ratio, where 1 was equal to p, so the entire line was 1+5 = 5p
No you are wrong. That doesn't fit in with the last question.
13. anyone got a copy of the exam yet?
14. What was question for the answer of 5.4??

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15. (Original post by Abodee1)
Nope.Never been above 82,And it was not the ''easiest'' paper ever.
Definitely the easiest within the last six years (i dont know about the regional papers though), so I would stick with my belief of 85, but hey the lower the better!
16. (Original post by Ihsan_234)
No you are wrong. That doesn't fit in with the last question.
Yes it does - it asked for ON.
OM was stated as being p and OM=1/4NM
Therefore NM = 4p and OM = 1p, therefore, ON = 5p.

And that definitely fits in with the last queation which asked about QR and OM being parallel - 22)a had no effect on any of the other questions.
17. (Original post by Martins1)
Yes it does - it asked for ON.
OM was stated as being p and OM=1/4NM
Therefore NM = 4p and OM = 1p, therefore, ON = 5p.

And that definitely fits in with the last queation which asked about QR and OM being parallel - 22)a had no effect on any of the other questions.
No that's wrong. If OM was p, and OM was 1/4 of ON, then ON = 4 x p = 4p
18. Yh i got 5/9 aswell
19. (Original post by sivthasan)
I'm pretty sure it was 60 degrees
It was 41, because you find the sum of the interior angles by doing 180(n-2), then you rearrange the formula to find the value of x. I hope it makes sense
20. Has anyone got a copy of the exam?

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