Question

If the total cost of painting the wall is Rs.1236 , then the cost of painting of wall per m² is
a)6
b)8
c)12
d)15​

Answer 1

Answer:

6

Step-by-step explanation:

Area of four walls of a room =2(l+b)h=

1.35

340.20

=252m

2

Also, l×b=

0.85

91.8

=108m

2

⇒b=

12

108

m=9m

⇒2(12+9)×h=252

⇒h=

42

252

=6m