Construction Planning and Management
If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is

500 cum
1500 cum
2000 cum
1000 cum

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Construction Planning and Management
Mobilization advance up to 10% of the cost of work is given to a contractor

For the payment of advances to labour and other staff
On commencement of work at site for payment of loan taken by him
For the purchase of construction materials
For all activities required to start the work at site on finalization of the contract document

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

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