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
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
None of these

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Construction Planning and Management
During the construction period, price variation clause in contracts caters to

Rate of inflation
Increase in rates of only important materials
Variation in total cost of the project on an ad hoc basis
Variation in cost in materials element, labour element and petrol-oil-lubricant element

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