List of top Construction and Management Questions on Estimation and Specification asked in GATE AR

For a computer lab, a set of furniture has just been purchased at the cost of Rs. 8,50,000. The useful life of this furniture is 8 years. If the annual depreciation rate is 15%, then the salvage value of this furniture (in Rs.) is (rounded off to the nearest integer).
A capital investment of Rs. 60,000 has been made at present, expecting an annual return of Rs. 20,000 at the end of each year for a period of 5 years. If the annual discount rate is 5%, then the Net Present Value (in Rs.) is (rounded off to the nearest integer).
A primary school is having 8 class rooms, each having internal dimensions of 15m × 10m × 4m (height). Only the internal walls of all the class rooms are proposed to be painted. Assume a deduction of 10% internal wall area due to doors, windows etc. The specification suggests two coats of paint application. The spreading rates of the selected paint during base coat and finish coat are 4.5 l/sq.m and 2.5 l/sq.m respectively. The amount of paint (in liters) required for the job will be \underline{\hspace{1cm}}.

The reflected ceiling plan and RCC section are shown. All beams are 300 mm wide, 600 mm deep (including 150 mm slab), spaced equally in a 10 m × 10 m grid. Assuming 1% steel volume, the concrete volume (in m$^{3}$, rounded to two decimals) is \(\underline{\hspace{2cm}}\). 

Given the dimensions of a room, tile sizes, door size, and the height of skirting, calculate the number of ceramic tiles required for internal flooring and skirting.