Question

a door of lenght 2.5 m and breath 1.5 m is fitted in a wall are 6 m and 4.5 m respectively. find the cost of white washing the wall at the rate of ₹30 per sq. m.​

Answer 1

Answer:

967.5 Rs

Step-by-step explanation:

(First writing the information in correct order for our understanding)

Dimensions of Wall

length = 6 m

width = 4.5 m

Dimension of Door

Length = 2.5 m

Width = 1.5m

Area of Wall to be painted = area of Wall

- area of door

or, (6×4.5) - ( 2.5×1.5)

or, 36 - 3.75

or, 32.25 m²

Now, according to the Question

cost of whitewashing on

1m² area = 30 Rs.

.°. 32.25 m² area= 32.25×30

= 967.5 Rs.

so, the cost of whitewashing the wall would be 967.5 Rupees.

(Have a Good Day)