The least number of square tiles that will be needed to pave a plot 225 metre by 36 metre is
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Step-by-step explanation:
Largest length of side of square tile is the HCF of 225 and 30.
∴ HCF = 15
Number of tiles required =
Area of 1 tile/
Area of plot
=
15×15/
225×30
= 30
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