A room is 16m long and 13.5m broad. Find the cost of covering its floor with 75cm wide carpet at RS. 15 per metre
area of room = length * breadth=16*13.5 m sq.
width of carpet=0.75 m
length of carpet required = 16*13.5/0.75=288 m
cost= 15 *288=4320 rupees