Question

the perimeter of the floor of a rectangular hall is 250 m and height 8 metre find the cost of painting at Wall at the rate of 5 rupees per metre square

Answer 1

I hope this will help you.

perimeter of rectangle= 2(l+b)
250=2(l+b)
125=l+b
area of four wall =2(l+b)*h
=250*8=2000
20000/5= ₹400 is cost for painting.

Answer 2

this the answer
hope it will help u