Question 125 (ii)
The plan and measurement for a house are given in the figure. The house is surrounded by a path 1 m wide.
Find the cost of wooden flooring inside the house except the bathroom at the cost of ₹ 1200 per m2
Area of house except bathroom = Area of house - Area of bathroom
= Area of rectangle ADFH - Area of rectangle BCLK
=(4+2.5+4)×(3+3)−2.5×2
=63−5=58 m2
∴ Cost of wooden flouring = Cost per unit m2× Total area
= ₹ 1200 x 58 = ₹ 69600