Question

how many tiles will be required to cover a wall of size 40m by 30m if a marble tile measures 25 CM by 20​

Answer 1

Answer:240 tiles

Step-by-step explanation:

40mx30m=1200m=120000cm

Area of tile=25x20=500cm

No. Of tiles=120000/500=240 tiles

Answer 2

Step-by-step explanation:

dimentioms of tile = 25cm x 20cm

= 0.25m x 0.2m

= 0.05 m^2

dimentions of wall = 40m x 30m

= 1200 m^2

no. of tiles = 1200

0.05

= 24000