Question

a door of dimension 3 metre into 3 metre is on the wall of dimensions and metre into 10 M find the cost of painting the wall if the rate of painting is Rs 2.50 per square metre

Answer 1

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Answer 2

Area of door

= Length × Breadth

= 3 m × 2 m

= 6 m^2

Area of wall including door

= Length × Breadth

= 10 m × 10 m

= 100 m^2

Area of wall excluding door

= 100 - 6

= 94 m^2

Total labour charges for painting the wall is

= 2.50 × 94

= Rs. 235