Section I - Multiple Choice (1 Viewer)

walesluke

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i dno now actually. my teacher said 32% and explained it to me in a valid way.

now i re-try it and i get 11% which is what i put in the exam anyway.

confused.com
 

schultzy92

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hey how do you remember your multiple choice? thats alot to remember :S
 

Freshjiver

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QUESTION 20. anybody, feel free to correct me if i'm wrong but i think i'm right here. (maybe).


Lou bought a plasma tv which was priced at 3499. He paid 1000 deposit and got a loan for the balance that was paid off by 24 monthly instalments of 135.36.

What simple interest rate per annum, to the nearest percent, was charged on his loan?

1. So you go 3499-1000 = 2499.
2. Then you go 135.36x24 = 3248.64
3. Then I added the deposit back in; = 4248.64
4. Then i took away the original amount; 4248.64 - 3499 = 749.64
5. Then i divided that by two cause its per annum; = 374.82
6. Then i put that over 3499; 374.82/3499x100 = 10.71%
7. Equals 11% to the nearest percent, aka (A)


BUT im not sure whether i was supposed to add the deposit back in (see line 3).

Anyone else do it like that..?
 

jamesjoker

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QUESTION 20. anybody, feel free to correct me if i'm wrong but i think i'm right here. (maybe).


Lou bought a plasma tv which was priced at 3499. He paid 1000 deposit and got a loan for the balance that was paid off by 24 monthly instalments of 135.36.

What simple interest rate per annum, to the nearest percent, was charged on his loan?

1. So you go 3499-1000 = 2499.
2. Then you go 135.36x24 = 3248.64
3. Then I added the deposit back in; = 4248.64
4. Then i took away the original amount; 4248.64 - 3499 = 749.64
5. Then i divided that by two cause its per annum; = 374.82
6. Then i put that over 3499; 374.82/3499x100 = 10.71%
7. Equals 11% to the nearest percent, aka (A)


BUT im not sure whether i was supposed to add the deposit back in (see line 3).

Anyone else do it like that..?
I had: 749.64 = 2499 x R x 2

R=0.149=15%

Because 2499 is the principle, not 3499... this is because u need to minus the deposit (3499-1000=2499)
 

laram

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Hmmmmm okaay. I have the test on me & i just went through it. I think all of these are right, but i'm not sure about q12.

Q1: C
Q2: C
Q3: C
Q4: A
Q5: D
Q6: A
Q7: A
Q8: D
Q9: C
Q10: B
Q11: B
Q12: C not sure?
Q13: B
Q14: D
Q15: D
Q16: A
Q17: C
Q18: B
Q19: B
Q20: A
Q21: D
Q22: A

If anyone thinks any of these are wrong, reply.
um isnt 11. a? cause it says area of the shaded part not the whole part
 

ajay12

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1) C
2) C
3) A (Not to sure on this, tossed up between C and A. Wasn't too sure you could find the most frequent number using a sample. Most people but C, so I guess I'm wrong. Explanation here would be good.)
4)A
5)D
6)A
7)C
8)D
9) C
10)B
11)B
12)A
13)A
14)D
15)D
16)A
17)C
18)B
19)B
20)B
21)C
22)A

Pretty sure I'm wrong on some of those. Corrections and explanations of answers would be appreciated.
 

lolrofllol

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Hmmmmm okaay. I have the test on me & i just went through it. I think all of these are right, but i'm not sure about q12.

Q1: C
Q2: C
Q3: C
Q4: A
Q5: D
Q6: A
Q7: A
Q8: D
Q9: C
Q10: B
Q11: B
Q12: C not sure?
Q13: B
Q14: D
Q15: D
Q16: A
Q17: C
Q18: B
Q19: B
Q20: A
Q21: D
Q22: A

If anyone thinks any of these are wrong, reply.

all seem right except 20. I got 15% (B) (You had to put interest on loaned amount which was 2499)
 

laram

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everyone seems to have put down B for Q11. but isnt it A because it asking for the area of the shaded part not the whole part. ??
 

lolrofllol

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1) C
2) C
3) A (Not to sure on this, tossed up between C and A. Wasn't too sure you could find the most frequent number using a sample. Most people but C, so I guess I'm wrong. Explanation here would be good.)
4)A
5)D
6)A
7)C
8)D
9) C
10)B
11)B
12)A
13)A
14)D
15)D
16)A
17)C
18)B
19)B
20)B
21)C
22)A

Pretty sure I'm wrong on some of those. Corrections and explanations of answers would be appreciated.

I thought it was mode because eye colour was categorical? But then I thought they could also count the number of eye colours... but only mode stuck... sorry if the exp is vague lol
for 6, it was an unordered selection so you needed to divide 12 by 2 (how many different committees, so i think it was (A)
I got c for 12 and b for 13 (i think i guessed them)
 

lolrofllol

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everyone seems to have put down B for Q11. but isnt it A because it asking for the area of the shaded part not the whole part. ??
Yeah B was the shaded part wasn't it? (A = (90/360 * 8^2 * pi) - 4 * 4 * 0.5 = 42 = (B)
 

rowdyroddy

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I thought it was mode because eye colour was categorical? But then I thought they could also count the number of eye colours... but only mode stuck... sorry if the exp is vague lol
for 6, it was an unordered selection so you needed to divide 12 by 2 (how many different committees, so i think it was (A)
I got c for 12 and b for 13 (i think i guessed them)
yeh it was mode, could have been mean, but its too inconsistent,
 

MzBiiBii

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I don't have the paper on me, so I don't really remember which qn it is...but in the multilpe choice section..there was the question about 2 people chosen from a group of 4.... what was the answer to that?
 

sadcase

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That test was alright.... and the multiple choice one was unexpectedly difficult. I took the courage to study simple interest again because of that Rate question in multiple choice. i think i got it right u have to subtract P from the deposit. Is 84% a good result for that test
lol hope so... At least you guys took the paper home
We were not allowed. Strict rules. And i think the time for the test is rediculous. More time
I did all the past HSC questions for the exams and i got 95% for 2005 and i got to say that was easier than this year. It wasn't easy and alot of tricky questions.
It could of been better though
lol
 

JB10

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1. C
2. C
3. C
4. A
5. D
6. A
7. C (Stupid mistake, correct answer is A)
8. D
9. C
10. B
11. B
12. C
13. B
14. A (Wrong, correct answer is D)
15. A (Wrong, correct answer is D)
16. A
17. C
18. B
19. B
20. B
21. D
22. A


i THINK/HOPE that apart from those 3 mistakes I've picked up on, the rest are correct.
 
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JB10

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I know I got 16 wrong but does anyone disagree with any other MCs?
Apart from your mistake with 16, I made 2 mistakes with 7 and 14..
I agree with every one of your answers EXCEPT i'm not sure on 15? I got A.


EDIT: Damn, just looked through everyone elses answers and they all got D for 15. So if me and you are correct with the rest, you should get 21/22 and i should get 19/22.. Lets hope
 

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