Question

a room 10 metre long and 6 metre wide how many tiles are 20 cm and 10 cm are required to cover it floor

Answer 1

Total area of the room=10×6=60 sq m =60×1000=6000sq cm
Area of each tile=20×10=200sq cm
Titles required=total area of the room÷area of each tile=6000÷200=30
30 titles are required.

Answer 2

Here's your answer looking for

Area of room = 10m×6m

=1000cm×600cm

=600000cm^2

Now ,

Area of tiles = 20×10

= 200cm^2

Number of tile = 600000÷200


=3000tile

Hope you are satisfied with my answer