Industrial Engineering and Production Management
Activity slack or float of any event on a PERT/CPM chart is represented by

Latest finish time of event earliest finish time of the event
Anyone of the above
Latest start time of the event earliest start time of the event
Latest start time of succeeding event earliest finish time of preceding event activity time

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Industrial Engineering and Production Management
Under the Apprenticeship Act

All industries employing more than 100 workers have to recruit apprentices
Only industries employing more than 500 workers have to recruit apprentices
Industries have to train apprentices according to their requirement
All industries have to necessarily train the apprentices

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