Question

the floor of a room is of dimensions 4mx6cm. tiles of size 10 cmx12cm have to lay on it. How many tiles are required to cover the floar completely?

Answer 1

Hey!!

Here is ur answer :--

Dimension of room = 4m * 6m

= 400cm * 600cm

Area = 400 * 600

= 240000cm^2

Dimension of the tiles = 10cm * 12cm

= 120cm^2

Number of tiles required to cover the floor

= 240000/120

=> 2000

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Hope it helps you !!

Answer 2

changing cm into m
10cm=0.10m
12cm=0.12m
Area of room=l*b
Area=4*6
Area of room =24m2
Area of tiles =l*b
Area of tiles=0.10*0.12
Area of tiles =0.012
No of tiles=area of room /area of tiles
No of tiles =24/0.012
No of tiles =2000