Question

A door of 2m by 1m is fitted in the wall of a room. The length and breadth of the wall are 5.4 m and 3.2 m respectively. Find the cost of painting the wall from outside only at the rate of Rs. 150 per square metre
explain step by step

Answer 1

Answer:

The cost of white washing is Rs. 284.

Step-by-step explanation:

Since we have given that

Length of wall = 4.5 m

Breadth of wall = 3.6 m  

So, Area of wall is given by

Length of door = 1 m  

Breadth of door = 2 m

So, Area of door is given by

Area of white washing the wall excluding the door = Area of wall - Area of door is given by

Cost of per sq. m = Rs. 20

Total cost of white washing the wall is given by

Hence, the cost of white washing is Rs. 284.

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