Question

. Find the cost of painting the four walls of a room
10 metres long, 5 metres broad and 6 metres high
at the cost of 4 per square metre.
(a) 720
(b) 880
(c) 360
(d)* 1200​

Answer 1

Answer:

10*5*6=300

300*4=1200

Answer 2

Answer:

Area of 4 walls room =2 (l+b)×h

2 (10+5)×6

2 (15)×6

30×6

180 sqm

cost of painting the four walls of a room :

180 ×4

720 rs

Hope it's helps you