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

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

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

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

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