If E is the duration, ES and EF are die earliest start and finish times, LS and LF are latest start and finish times, then the following relation holds good
A. EF = ES + D
B. LS = LFD
C. LF = LS + D
D. All of the above
Answer: Option D
Solution (By Examveda Team)
If E is the duration, ES and EF are die earliest start and finish times, LS and LF are latest start and finish times, then the following relation holds good- EF = ES + D
- LS = LFD
- LF = LS + D

If D is the duration, ES and EF are the earliest start and finish, LS and LF are latest start and latest finish time, then the following relation holds good
A. EF = ES + D
B. LS = LF - D
C. LF = LS + D
D. D = EF - ES
E. all the above.