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

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

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Construction Planning and Management
In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?

Yes, because of the very high order of quality control for the factory made components
Yes, because of heavier overheads and handling cost
No, because of repetitive manufacture of a number of elements
No, because of savings in site labour

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