A floor of length 25 m and breadth 20 m has to be paved with square
tiles with side 10 cm. Find the number of tiles required
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length of floor = 25 metre ( into cm ).= 2500 cm
breadth of floor = 20 metre ( into cm) = 2000cm
area of floor = length × breadth
= 2500 cm× 2000 cm
= 5000000cm^2
area of 1 tile which is shape of square ⬛
= area of square
=. side ×side
=. 10 cm × 10cm
= 100cm^2
Number of tiles = Area of flor /Area of square tile
= 5000000/100
= 50000 tiles
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