Question

A room 5 m long, 4.5 m wide and 3.6 m high has one door 1.5 m by 2.4 m and two windows, each 1 m by 0.75 m. Find :

(i) the area of its walls, excluding door and windows ; 

(ii) the cost of distempering its walls at the rate of Rs.4.50 per m². 

(iii) the cost of painting its roof at the rate of Rs.9 per m².

Answer 1

Length of the room = 5 m 

Breadth of the room = 4.5 m

Height of the room = 3.6 m