Question 42
A courtyard 4.55 m long and 5.25 m broad is paved with square tiles of equal size. What is thelargest size of tile used?
Solution
L of the courtyard = 4.55 m = 455 cm
B of the courtyard = 5.25 m = 525 cm
Now , we need to find the HCF of 455 and 525
Now,
455 = 13 × 7 × 5
525 = 5² × 7 × 3
HCF of 455 and 525 = 5 × 7 = 35
Therefore,
the largest size of the tile used = 35 cm
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