a.
FCFS:
P1 P2 P3 P4 P5
0 10 11 13 14 19
SJF:
P2 P4 P3 P5 P1
0 1 2 4 9 19
Non-preemptive:
P2 P5 P1 P3 P4
0 1 6 16 18 19
RR:
P1 P2 P3 P4 P5 P1 P3 P5 P1 P5 P1 P5 P1 P5 P1 P1 P1 P1 P1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

b.
FCFS:
P1:10(ms) p2:11(ms) p3:13(ms) p4:14(ms) p5:19(ms)

SJF:
P1:19(ms) P2:1(ms) P3:4(ms) P4:2(ms) P5:6(ms)

Non-preemptive:
P1:6(ms) p2:1(ms) p3:18(ms) p4:19(ms) p5:6(ms)

RR:
P1:19(ms) p2:2(ms) p3:7(ms) p4:4(ms) p5:14(ms)
c.
FCFS:
P1:0