In a room of length 2m, breadth 4m and height 3m, there are two windows of dimensions 2m*1m and a door of dimensions 2.5m*2m. Find the cost of papering the walls at the rate of 30Rs. per m2
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Answer: Rs 450
Step-by-step explanation:
Length = 2m, breadth=4m, height=3m
Area of room =2×4×3 m²
= 24 m²
Dimensions of door = 2.5m × 2m
Area = 5m
Dimensions of each window = 2m × 1m
Area of 2 windows = 2 ×2×1 m²
= 4m²
Area of 4 walls = ( 24 - 5 - 4) m²
= 15 m²
Rate of papering = Rs 30 per m²
Cost = Rs ( 30 × 15 ) = Rs 450
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