A gute having dimensions 2 m X 1m is in the wall of 3m x 5m. If the cost of colouring is Rs. 100 per mi, find the total cost of colouring the wall
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Answer:
Cost of colouring the wall = cost × Area of wall
Area of wall to be painted = Area of wall - area of door
area of wall = 5m × 3m
= 15 m^2
area of door = 2m × 1m
= 2m^2
area to be painted = 15 m^2 - 2m^2
= 13 m^2
cost = 13 m^2 × ₹100
= ₹1300
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