CBSE Class 10 Answered
Cost of carpeting the room at rs. 18 per m^2 is Rs.972 and cost of white washing 4 walls at Rs. 6 per m^2 is Rs. 1080.
Asked by Sharmin Ahmed | 02 Apr, 2014, 04:38: PM
Expert Answer
Let breadth = (x)
Then, length = (x) m
Let the height of the room be y m.
Area of the floor = = = 54 m2
= 54
x2 =
x = 6
Now, Area of the four walls =
= = 180 m2
Therefore 2(9+6)y = 180
30y = 180
y = 6
Hence, length = 9 m, breadth = 6 m, height = m
Answered by | 02 Apr, 2014, 06:23: PM
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