Question

a door of dimensions 3m×2m is on the wall of dimensions 10m×10m . find the cost of painting the wall if rate of painting is rs 2.50 per sq m​

Answer 1

Answer:

₹235

Step-by-step explanation:

Cost = rate × area to be painted

Area to be painted = total area - area of window

 Here,

Total area = 10m x 10m = 100 m²

Area of window = 3m x 2m = 6 m²

 ∴ Cost = ₹ 2.5 × (100 - 6)

             = ₹ 235