Question

The length of a room is two times its breadth and three times its height.if the cost of painting it's walls at Rs.2.25 per square metre is Rs.32400. find the cost of carpeting it's floor at Rs.4 per square metre.

Answer 1

take the breadth as x and find the other dimensions in x... now find x and then the area of the floor... multiply that by 4 to get the total cost....which comes out to be r.s. 28800
sorry due to lack of space.... hope you don't have any problems understanding it

Answer 2

Answer:

the length of a room is two times its breadth and three times its height. If the cost of carpeting its floor at the rate of rs.120 per square m is rs.19440,calculate the cost of plastering the four walls and ceiling at rs.70 per square m.