Question

samast savarg ko prat

Answer 1

Explanation:

Appropriate Question :-

A room is 8.5 m long, 7m wide and 4m height. it has one door measuring 1m by 1m and two windows each measuring 0.5m by 0.5 m. Find the cost of painting its four walls without door and windows. If the rate of painting is ₹ 2 per square metre.

\large\underline{\sf{Solution-}}Solution−

Given that,

A room is 8.5 m long, 7m wide and 4m height.

Room has one door measuring 1 m by 1 m.

Room has two windows each measuring 0.5 m by 0.5 m.

So,

\begin{gathered}\rm \: Area_{(To\:be\:painted)} \\ \end{gathered}Area(Tobepainted)

\begin{gathered}\rm \: = \: Area_{(4\:walls)} - Area_{(1\:door)} - Area_{(2\:window)} \\ \end{gathered}=Area(4walls)−Area(1door)−Area(2window)