DSC1630
EXAM PACK
,DSC1630
EXAM
PACK
,1. On his ninth birthday on 21 February Shelly received R420. His parents immediately
invested the money in an account that earns 7,5% simple interest. The amount of
money that can be withdrawn on 5 June for the same year equals
[1] R411,21.
[2] R428,89.
[3] R428,98.
[4] R429,07.
[5] none of the above.
2. An interest rate of 16,4% compounded quarterly is equivalent to a weekly compounded
interest of
[1] 16,073%.
[2] 16,098%.
[3] 16,714%.
[4] 16,741%.
[5] none of the above.
3. On Dan’s 21st birthday he notices that he is going bald. He decides that he will go for a hair
implant when he turns 30. He estimates that the implant will cost him R12 500. He starts
saving immediately by paying an amount monthly into an account earning 9,09%
interest compounded monthly. The monthly payment that Dandy Darrell makes into the
account equals
[1] R64,27.
[2] R74,63.
[3] R75,20.
[4] R115,75.
[5] none of the above.
4. At an interest rate of 14,9% per year compounded quarterly, R1 000 invested monthly
for 12 years will accumulate to
[1] R66 914,38.
[2] R385 478,48.
[3] R390 233,94.
[4] R395 600,34.
[5] none of the above.
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
Questions 5 and 6 refer to the following situation:
A study was undertaken at eight garages to determine how the resale value of a car is affected
by its age. The following data was obtained:
The garage manager suspects a linear relationship between the two variables. Fit acurve of the
form y = a + bx to the data.
5. The equation is equal
to [1] y = 7,0417 − 0,001x.
[2] y = 0,001 + 7,0417x.
[3] y = 48 644,17 − 6 596,93x.
[4] y = 6 596,93 − 48 644,17x.
[5] none of the above.
6. The correlation coefficient
equals [1] 0,0000.
[2] −0,9601.
[3] 0,8450.
[4] 1,0000.
[5] none of the above.
7. Rian borrows R2 000 at a simple interest rate of 8% per annum. The amount that he owes
at the beginning of the eighth year equals
[1] R1 120,00.
[2] R3 120,00.
[3] R3 280,00.
Downloaded by: LIBRARY | Want to earn
Distribution of this document is illegal $103 per month?
EXAM PACK
,DSC1630
EXAM
PACK
,1. On his ninth birthday on 21 February Shelly received R420. His parents immediately
invested the money in an account that earns 7,5% simple interest. The amount of
money that can be withdrawn on 5 June for the same year equals
[1] R411,21.
[2] R428,89.
[3] R428,98.
[4] R429,07.
[5] none of the above.
2. An interest rate of 16,4% compounded quarterly is equivalent to a weekly compounded
interest of
[1] 16,073%.
[2] 16,098%.
[3] 16,714%.
[4] 16,741%.
[5] none of the above.
3. On Dan’s 21st birthday he notices that he is going bald. He decides that he will go for a hair
implant when he turns 30. He estimates that the implant will cost him R12 500. He starts
saving immediately by paying an amount monthly into an account earning 9,09%
interest compounded monthly. The monthly payment that Dandy Darrell makes into the
account equals
[1] R64,27.
[2] R74,63.
[3] R75,20.
[4] R115,75.
[5] none of the above.
4. At an interest rate of 14,9% per year compounded quarterly, R1 000 invested monthly
for 12 years will accumulate to
[1] R66 914,38.
[2] R385 478,48.
[3] R390 233,94.
[4] R395 600,34.
[5] none of the above.
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
Questions 5 and 6 refer to the following situation:
A study was undertaken at eight garages to determine how the resale value of a car is affected
by its age. The following data was obtained:
The garage manager suspects a linear relationship between the two variables. Fit acurve of the
form y = a + bx to the data.
5. The equation is equal
to [1] y = 7,0417 − 0,001x.
[2] y = 0,001 + 7,0417x.
[3] y = 48 644,17 − 6 596,93x.
[4] y = 6 596,93 − 48 644,17x.
[5] none of the above.
6. The correlation coefficient
equals [1] 0,0000.
[2] −0,9601.
[3] 0,8450.
[4] 1,0000.
[5] none of the above.
7. Rian borrows R2 000 at a simple interest rate of 8% per annum. The amount that he owes
at the beginning of the eighth year equals
[1] R1 120,00.
[2] R3 120,00.
[3] R3 280,00.
Downloaded by: LIBRARY | Want to earn
Distribution of this document is illegal $103 per month?
