change of critical path

decrease of project completion time

increase of project completion time

all of these

normal durations for all the activities

crash durations for all activities

crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities

crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities.

total float and free float

total float and independent float

free float and independent float

none of the above

A is correct but R is not correct

R is correct but A is not correct

both A and R are correct

both A and R are incorrect

reduce by 200 kg

increase by 200 kg

increase by 250 kg

reduce by 250 kg