Construction Planning and Management
A contractor has two options;(l) : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he

could invest in either of the two projects
should invest in project A
should invest in neither of the two projects
should invest in project B

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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.

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

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Construction Planning and Management
Earliest finish of an activity is always

Less than or equal to earliest event time of the following node
Greater than earliest event time of the following node
Greater than or equal to earliest event time of the following node
Less than earliest event time of the following node

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