Page 17 - Past Year

15 | P a g e

ANSWERS

1. (a) (i) RM 3300 (ii) RM 4392.30

(b) RM 18315.30

2 4
2. r   , p  
5 25

3. First term, a = 6 , common difference , d   2

th
4. First term, a = 6 , common difference , d  10 , The 15 term= 146
39 1
5. First term, a  , common difference , d  
8 4

6. d = 20, a = – 170

(a) T  20
10
7.

255
(b) S 
8
32

8. (a) T  23
11

(b) (i) proven

189
(ii) S  or 1.477
6
128

9. (a) - Refer to Lecturer - (b) a   124 ; d  112

n
10. (a) a  5 ; r  (b) T  5 (c) n  7
5
n
11. 989100

3
12.
32

13. (a) 2n 2 6n 8 (b) a 12 , d 4

1
14. a 2 , r  ,3.9922
2