Question

The floor of a rectangular hall has a perimeter 250m. if the cost of painting the four walls at the rate of RS 10 per m sq is RS 15000 find the height of the hall???​

Answer 1

P=250m = 2(l+b)

Rate = 10m per sq

Cost of four wall = 15000

Area of four wall = 15000/10

= 1500m sq

2(l+b)h =1500

250×h=1500

h = 1500/250

h=6