Construction Planning and Management
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then

expected time of both activities A and B are same
None of these
expected time of activity B is greater than the expected time of activity A
expected time of activity A is greater than the expected time of activity B

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Construction Planning and Management
Preliminary project report for a road project must contain

The soil survey, traffic survey, concept design and approximate cost
The detailed estimated cost based on detailed design
The contract documents for inviting tenders
The several alternatives of the project that have been considered

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