Question

A door-frame of dimensions 3 m × 2 m is fixed on the wall of dimension
10 m x 10 m. Find the total labour charges for painting the wall if the for
labour charges for painting 1 m² of the wall is ₹2.50.​

Answer 1

Answer:-

₹235

Step By Step Explanations:-

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

= 10 m × 10 m

= 100 m²

Area of Wall excluding Door = (100 - 6)m² = 94 m²

Table labour charges for painting the wall

= ₹2.50 × 94 = ₹235

$\mathsf{\fbox{Answer~is~₹235}}$

Answer 2

Answer:-

↬₹235

Step By Step Explanations:-

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

Area of the Door = {l × b}l×b

= 3 × 2 m²

= 6 m²

Area of wall including Door = Side × Side

= 10 m × 10 m

= 100 m²

Area of Wall excluding Door = (100 - 6)m² = 94 m²

Table labour charges for painting the wall

= ₹2.50 × 94 = ₹235

$\fbox{Answer = ₹235}$