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
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing.Reason R: If the angle of swing is decreased, the cycle time will be decreased.

A is false but R is true
A is true but R is false
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A

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