DSC1630 - Financial mathematics - Mntwana Wabantu

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Question 1 Lesiba, Marwala invests Lesiba invests an amount of money in an amount earning 13,88% interest per year, compounded weekly. After five years, this amount has accumulated to R50 000. The amount that was invested initially is 1. R26 105,54. 2. R15 300,00. 3. R29 515,94 4. R25 001,79. 5. R34 700,00.
Question2
Malume gift won R120000 in sport betting and immediately depostited the money into saving amount earling 8.5% interest per annum compunded monthly, five month after winning he withdrw certain amout for his son education , the balance of the koney after one year winning the money was 99087.42, the amount he withdrwa for his sons' educaction was
Question 3:
If you earn a norminal interest rate of 16.5% per annum , compounded at the end of the every second
Moth, on a savings account , then the effiective interest rate is
A: 16.68% B: 18.00% C: 17.68% D: 14.53%
Question 4:
Paballo invested R1500 in a n account earning 6.57% per annum , simple interest. The Balance thathe will get 16 months later is A: R1636.94 B,1631,40 C: R1644,02 D. R1632,82

Rumbau has been given the options of either paying his R2500 personal loan now or settling it for R2730 after four months . If he has chooses to pay after four months the simple interest rate per annum at which he would be charged is A.27.60% B.25.27% C.0.28% D.2.30%

If simple interest rate of 21% per annum , is equivalent to a discount rate of 19% per annum , then the length of time under considerations is A: 0.501 years, B 1.105years C 0.453 D; 0.904 years
Zace received an amount of R2340 FROM Luhle at discount rate of 12% per annum on 7 september , The future value of the loan on 7 july the follwing year is A: R2600,00 B: 2106,00 C :2574,00 D: 2127,27

Zola has an individual retirement plan, the money is invested
Zola has an individual retirement plan. The money is invested in a money market fund that pays interest on a daily basis. Over a two year period in which no deposits or withdrawals were made, the balance of his account grew from R4 500,00 to R5268,24
The effective interest over this period is approximately
A.8.2%, B.8.5% C.9.0% D. 6.1%

Tshepo need R50000 urgently , he goes to the bank and borrows the money at interest rate of 28% per annum , compounded monthly. The amount that Tshepo will have to pay the bank in fifteen monthly time is
An effective rate of 29% correcponds to a norminal rate , compounded weekely of A.29.61% B.34.35 C.26.00% D.29.53%

Rambau has been given the option of either paying the R2500 personal loan now, or settling it for R2730 after four months , if he chooses to pay after four months , the simple interest rate per annum , at which he would
A.27.6% B. 25.27% C. 0.28% D. 2.30%

Vusi borrowed money from Duncan . An amount of R20000 is due now, and R10000 due 3 years from now. He would like to reschedule his two payment by means of one payment , 5 years from now, If a new simple interest rate of 14.75% per year is applied to the rate of 14.75% per year is applied to the extended periods, the amount that Duncan will receive 5 years from now is A.30000 B.47700 C.32950 D.49175
mamZodwa wants to buy a R30835.42 mobile kitchen for her food catering business , How long will it take her to save towards this amount if she deposits R25000 now into a savings account earning 10.5% interest per year, compounded weekly
A.52 weeks B.104 weeks C.2 weeks 4.D.24 weeks

Tshepo needs R5000 urgently . He goes to the bank and borrows the money at an interest rate of 28% per annum , compounded monthly . The amount of money that Tshepo will have to pay the bank in the fifteen months time is A. R6807.42
R6750.00 C.5145.83 D. 7066.87

On 16 April Dumi deposited an amount of money in a saving amount that earns 8.5% per annum , simple interest . She intends to withdraw the balance of R2599 on 8th December of the same year to buy her brother a smartphone. The amount of money that Dumi deposited is A.R2460.03 B.2465.45 C.2461.82 D.R2463.60

If money is worth 12% per annum , compounded monthly , how long will it take the principal P to become four times the orginal value ? A.139.32% B.69.66% C.7.27% D. 11.61%
You borrow money from the bank at simple discount rate of 12% per annum. If you need to pay the bank R5000 in six month’s , The amount of money