a floor measuring 2m by 1.5 m is to be covered with tiles measuring 25 CM by 25 cm find the number of tiles required to cover the floor and cost of tiles at rupees 420 per dozen
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first find the area of floor
then find the area of one tile
the area of the floor =area of tiles
now divide area of tiles by area of one tile
u will find the number of tiles.
to find cost ,find rate of 1 tile=420/12=35
then multiply with the number of tiles
then find the area of one tile
the area of the floor =area of tiles
now divide area of tiles by area of one tile
u will find the number of tiles.
to find cost ,find rate of 1 tile=420/12=35
then multiply with the number of tiles
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