Question

The dining-hall of a hotel is 75 m long ; 60 m broad and 16 m high. It has five – doors 4 m by 3 m each and four windows 3 m by 1.6 m each. Find the cost of :

(i) papering its walls at the rate of Rs.12 per m²; (ii) carpetting its floor at the rate of Rs.25 per m².

Answer 1

Length of the dining hall of a hotel = 75 m 

Breadth of the dining hall of a hotel = 60 m 

Height of the dining hall of a hotel = 16 m

(i) Area of four walls of the dining hall = 2(L+B) x H = 2(75 + 60) x 16