Question

A door frame of dimensions 3m×2m is fixed on on the wall of dimension 10m×10mfind the total labour charges for painting the wall if the labour charges for painting 1m² of the Wall is Ruppes 2.50.​

Answer 1

Answer:

area of wall is = 10×10= 100 sq. meter

area of door is = 3×2=6 sq. meter

effective area to be painted= 100-6= 94 sq. meter

total labour is =94×2.5= 235 rs.

Answer 2

Solution:-

Painting of the wall has to be done excluding the area of the door.

Area of the door = l × b

= 3 × 2 m² = 6 m²

Area of wall including door = side × side = 10m × 10m =100m²

Area of wall excluding door =(100 - 6) m² = 94m²

Total labour charges for painting the wall = ₹2.50 × 94 = $₹235$

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