Question

The total area of 4 walls of a room is 120 m sq. . If the height is 2 meters. If the floor in the form of a square. Find the total cost of flooring at the rate of Rs. 78 m sq. and the celling at the rate of 126
per m sq.

Answer 1

area of 4 walls = 4lh = 120
l= 120/8 = 15 metres
total cost of flooring = 78 x 225
total cost of ceiling = 126 x 225
total cost = flooring + ceiling = 45900 Rs.