Question

A gate having dimension 2m X 1 is in the wall of 3m X 5m .if the cost of colouring is ₹100 per m2,find the total cost of colouring the wall​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

Area of gate=length×breadth=2m×1m=2m²

Area of wall =length×breadth=3m x 5m=15m²

Now, Area of wall excluding gate

=Area of the wall −Area of gate

=15-2=13m²

Since, The rate of colouring of 1m²

 the wall=Rs. 100

⇒13 x 100=₹1300

Thus, the cost of colouring the wall is Rs. 1300