Question

The floor of cuboidal hall has perimeter equal to 250m and height 6m find the cost of painting its four walls including doors at the rate of RS.8 per meter square

Answer 1

Find the area of the 4 walls:

Area of the 4 walls = Perimeter of the floor x height

Area of the 4 walls = 250 x 6 = 1500 m²

Find the cost of the painting:

1 m² = Rs 8

1500 m² = 1500 x 8 = Rs 12,000

Answer: The cost of painting the 4 walls is Rs 12,000