Math, asked by mahua83bhattacharyya, 4 days ago

A marble tile measures 16cm×20cm . How many tiles will be required to cover a wall of size 4m×5m?

Answers

Answered by pragana

0

Ar. of marble= 16×20=320sq.cm

1m=100cm

so,

4m=400cm

5m=500cm

Ar. of wall=400×500=2,00,000sq.cm

Marbles tile required=Ar.of wall/Ar.of marble tile

=2,00,000/320

=625

Answer:625 marble tiles are required...

Hope it's useful..

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