The floor of a rectangualr hall has a perimeter of 250 m. Its height is 6 m. If the cost of painting the four walls at the rate of 10 per m² is 15000 rupees. Find the height of the wall.

  
Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.