Question

The least number of square tiles that will be neede to pave a plot 225 m by 30 m is ______ a.30 tiles b. 15 c. 25 d. 45

Answer 1

Answer: 30

Step-by-step explanation:To have least number of tiles, we need to choose biggest possible square tiles. Also plots length and width should be multiple of square tile's side. Hence side of square tile = HCF (length, width )

= HCF (225, 30) = 15

So size of tile = 15 x 15

Number of tiles = 225 x 30 / (15 x 15) = 30 tiles

Answer 2

Answer:

30 is answer because I'm telling truth.