A door frame of dimension 2m x 1.5 is fixed onthe wall of dimension 12m x 8m. Find the cost of painting the front of the wall if the rate of painting 1m square of wall is Rs 20?

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Solution

Area of the wall = 128=96m²
Area of the frame =21.5 = 3 m²
The area of the wall to be painted = 96-3= 93 m²
Cost of painiting = 93*20=Rs.1860

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A door frame of dimension 2m x 1.5 is fixed onthe wall of dimension 12m x 8m. Find the cost of painting the front of the wall if the rate of painting 1m square of wall is Rs 20?

Area of the wall = 12*8=96m2 Area of the frame =2*1.5 = 3 m2 The area of the wall to be painted = 96-3= 93 m2 Cost of painiting = 93*20=Rs.1860

Area of the wall = 128=96m²
Area of the frame =21.5 = 3 m²
The area of the wall to be painted = 96-3= 93 m²
Cost of painiting = 93*20=Rs.1860