Past Exams’ Final Solutions
2016
1 (a) (i) you need to analyze: (2b)2-4.3a.c
(ii) a=1, b=0, d=0, c=-3 ; a=1 , b=c=d=0 ; a=1, b=0, c=3, d=0.
(iii) 2 critical points (1 max, 1 min) 1(b) I=2
2(a) 18912.5 (b) with ad: 5282 ; w.out add: 4652 ; no renovate 2582.
2015
3(a) alpha=tan-inverse(mu); F=mu / sqrt(mu-Squred+1)
3(b) total time = 60.2 mins, additional time=50.2 mins.
4(a) 2352 J 4 (b): Int = 970 ; Nat=690 ; Doing Nothing = 500.
2014
1(a) T=3.9665 ; 1(b) 2450
Qn2. Work and then go for MSc ; if starting salary is 65k or better, work is better than PhD ; if starting salary is 50k or less, PhD has an advantage.
If the analysis for 15 years or more, PhD has an advantage.
2013
1(a) (i) x=06 ; 3.68 mil ; (ii) 120. ; 1(b) between 7.32 & 7.33 am .
2
Change furniture to Jap taste = 75393.44
Change furniture to non-Jap taste = 75508.94
Not to change furniture = 43602.25