A marble tile measure 25 cm by 20 cm. How many tiles will be required to cover a
wall of size 4m by 3 m ?
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4
Answer:
240 tiles
Step-by-step explanation:
length of wall =4m =400cm
breath of wall=3m=300cm
area of wall =length×breath
=400×300
=120000cm^2
area of tiles =25×20=500cm^2
so .
no of tiles required = area of wall÷area of tiles
=120000/500 =1200/5
=240 tiles
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