The length breadth and height of a room are 5m 4m and 3m.find the cost of white washing the walls of the room and the ceiling at the rate of rs 5/m2
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Answer: Rs. 370
Step-by-Step Explanation:
Given: Length = 5m
Breadth=4m
Height = 3M
CSA = 2(bh+hl) = 2[(4*3)+(3*5)]=2(12+15)=2(27) = 54 Square meters
Area of Ceiling = lb =5*4=20 Square Meters.
Total Area for white washing = 54+20 = 74 Square Meters.
Cost per square meter = Rs 5
Cost For white washing = 74*5=Rs. 370.
Total Cost for white washing is Rs. 370.
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