ASSESMENT 2

ASSESMENT 2

QUESTION 1

a) Given an arithmetic sequence -2, 4, 10, …, find:

i. the first term, a and the common difference, d.

(2 mark)

ii. The seventh term

(3 marks)

b) In a geometric sequence, the common ratio and the fifth term are 1/3 and 1/162 respectively.

Find :

i. The first term, a

(1 mark)

ii. The sum of the first 8 terms.

(4 marks)

c) Solve the following questions:

i. ….…….. % of 4980 is 1245. (1 mark)

ii. 45 % of RM 280 is RM ………… (1 mark)

iii. The new price of an electric guitar after 20% discount is Rm 1,200. what is the original

price of the electric guitar?

(2 marks)

QUESTION 2

A sum of RM 50,000 was divided among Jamilah, Sarah Hana, and Qistina according to the ratio 4 :

3 : 3. Find the amount received by each person. (5 marks)

QUESTION 3
A sum of RM 30,000 was divided among three persons; Jamal, Salim and Izwan according to the
ratio 7 : 4 : 3. what is the amount received by each person.

(5 marks)

QUESTION 4
RM 35,000 is invested for 5 years in a bank earning a simple interest rate of 8% per annum.

a) State the value of P, r, and t based on the information above (3 marks)
b) Calculate the amount of interest earned. (3 marks)

c) Calculate the amount at the end of the investment period

(3 marks)

QUESTION 5

a) Emelda invested RM 35,000 in a bank that offered an interest rate of 5% compounded every
three months for 10 years.

i. State the value of P, k, m and t based on the question above (2 marks)
ii. Calculate the accumulated amount after 10 years (3 marks)
iii. Calculate the total interest earned ( 2 marks)

FORMULAE

1. Tn  a  (n 1)d

2. Sn  n (2a  (n 1)d )
2

3. Tn  ar n1

4. Sn  a(r n 1) ,r 1
rn 1

Sn  a(1 r n ) ,r 1
1 r

5. I=Prt

S = P(1+rt)

6. I =Prt

S = P(1+i)n ; i = k/m, n = mt