The length, breadth and height of a room are 5m, 4m and 3m respectively. Find the total cost of white washing 4 walls and ceiling of the room at the rate of 12 per m2 and tiling the floor at the rate of 45 per m2.
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Given
L=5m
B=4m
H=3m
Area of wells = 2h(l+b)
2x3(5+4)
=54m²
Area of ceiling =L xb
=5x4 =20m²
Total area to white wash=54+20=74m²
Area of floor =lxb=5x4=20cm²
Cost of 1m² white wash =₹12
Cost of 74m² white wash =12x74=₹888
Cost of 1m² tiling =₹45
Cost of 20m² tiling =45x20=₹900
Total cost =888+900=₹1788
This is ur ans hope it will help you
L=5m
B=4m
H=3m
Area of wells = 2h(l+b)
2x3(5+4)
=54m²
Area of ceiling =L xb
=5x4 =20m²
Total area to white wash=54+20=74m²
Area of floor =lxb=5x4=20cm²
Cost of 1m² white wash =₹12
Cost of 74m² white wash =12x74=₹888
Cost of 1m² tiling =₹45
Cost of 20m² tiling =45x20=₹900
Total cost =888+900=₹1788
This is ur ans hope it will help you
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