Question

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

Answer 1

Answer:

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Answer 2

Answer:

$Rs 235$  

Step-by-step explanation:

given, length of door = $3m$

          breadth of door = $2m$

therefore area of door is = $3\times 2$

                                         = $6m^{2}$

also given,length of the wall =$10m$

                 breadth of the wall =$10m$

therefore area of wall is = $10\times 10$

                                        = $100m^{2}$

now total area for painting the wall = $\left (100-6 \right )m^{2}$

                                                       = $94m^{2}$

as it is given the rate of painting the wall is Rs 2.50 per $m^{2}$

therefore total cost of painting = $94m^{2}\times 2.50$

                                                              = Rs 235