Question

find the cost of flooring a room 7.5 m by 6 m with square tiles of sides 30cm at the rate of rupees 6 per tile
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Answer 1

Answer:

Total area of the floor of the room is 7.5×6=45m²

Surface area of 1 tile is 0.3×0.3=0.09m²

So total number of tiles required for flooring are

$\frac{45}{0.09} = 500$

Total cost of the flooring will be 6×500=3000rs.