Question

The dimensions of a room are 8m, 6m and 5m, Find the cost of distempering its four walls ar
the rate of Rs. 80 per square metre.​

Answer 1

The dimension of a room are 8m(length), 6m(breadth), and 5m(height).

To find the cost of distempring its four walls at the rate of rupees 80 per sq metre :-

We know that

Area of 4 wall = 2 × (l+b) × h

=> 2 × (8+6) × 5

=>2 × 14×5

=>140 m^2

Hence

The rate of rupees 80 per sq metre. = 140 ×80

Total cost = Rs 11200