The actual expenditure incurred in the construction of a sch

The actual expenditure incurred in the construction of a school building which have a total length of main walls 140m is Rs.4.97lakhs.Estimate the approximate cost of a similar school building which will have 180m length of main walls.

Solution

Actual Expenditure = Rs 497000 ( Given)

Total length of main Walls = 140 m (Given)

Rate per m length of main wall = 497000 / 140 = Rs 3550

Length of main walls in the proposed building = 180 m (Given)

Hence, Approximate Cost = 180 * 3550 = Rs 639000 /-