Question 3 The floor of a rectangular hall has a perimeter 250 m. If the cost of panting the four walls at the rate of Rs.10 per m2 is Rs. 15000, find the height of the hall. [Hint: Area of the four walls = Lateral surface area.]

Question 3 The floor of a rectangular hall has a perimeter 250 m. If t

1.	Question 3 The floor of a rectangular hall has a perimeter 250 m. If the cost of panting the four walls at the rate of Rs.10 per m2 is Rs. 15000, find the height of the hall. [Hint: Area of the four walls = Lateral surface area.]
Answer» Question 3 The floor of a rectangular hall has a perimeter 250 m. If the cost of panting the four walls at the rate of $R s .10 p e r m^{2}$ is Rs. 15000, find the height of the hall. [Hint: Area of the four walls = Lateral surface area.]