Question

the window of dimensions 2 m by 1m is fixed on the wall of a room 6m by 4m.find the cost of opening the wall if the rate of painting is 15 rs per m.2

Answer 1

Answer:

the cost of opening the wall is ₹330

Step-by-step explanation:

total area of the wall= length ×breadth

                                 =(6×4)sq. meter

                                 =24 sq meter

total area of window=(1×2)sq. meter

                                 =2 sq. meter.

total area to be opened=(area of the wall - area of the window)

                                       =(24-2)sq. meter

                                        =22 sq. meter

rate of opening it @ of ₹15/sq. meter = 22×15

                                                            =₹330

Answer 2

Answer:

rate me my answer is correct 330 rupee