The floor of a rectangular hall has a perimeter 250 m. If the cost of painting the four walls at the rate of Rs 10 per is Rs 15000, find the height of the hall.
Let length of rectangular hall m
Let breadth of rectangular hall m
Let height of rectangular hall m
According to given condition, we have
(Perimeter of floor is equal to 250 m)
Surface area of four walls
It is given that cost of painting the four walls at the rate of Rs 10 per is Rs 15000.
Putting equation (1) in equation (2), we get