a floor of a room is to be paved with tiles,each measuring 10 cm by 8cm. find the number of titles required to pave the floor , if the length and breadth of the room are 8m and 5m respectively.
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area of floor of room = length × breadth
area of floor = 800 cm (8m) × 500 cm (5m)
area of floor = 400000 cm^2
area of 1 tile = length × breadth
area of tile = 10cm × 8cm = 80cm^2
number of tiles = area of floor/ area of 1 tile
number of tiles = 400000/80
Ans. Number of tiles = 5000
area of floor = 800 cm (8m) × 500 cm (5m)
area of floor = 400000 cm^2
area of 1 tile = length × breadth
area of tile = 10cm × 8cm = 80cm^2
number of tiles = area of floor/ area of 1 tile
number of tiles = 400000/80
Ans. Number of tiles = 5000
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