Question

Find cost of white washing four walls of a room whose length is 15 metre breadth is 10 metre and height is 5 metre at rate of of rs 50 per sq metre​

Answer 1

Answer:

12500 rupees

Step-by-step explanation:

l = 15

b = 10

h = 5

formula of 4 walls = 2(lh + bh)

area = 2(15*5 + 10*5)

        = 2(75 + 50)

        = 2(125)

        =250m^2

rate = 250*50

      = 12500 rupees