Question : What is the highest common factor (HCF) of 0.25 and 1.25?
Option 1: 0.25
Option 2: 1.25
Option 3: 2.5
Option 4: 0.5
Correct Answer: 0.25
Solution :
0.25 = $\frac{25}{100}$
1.25 = $\frac{125}{100}$
Now, find the HCF of the numerators (25 and 125) = 25
So, the HCF of 0.25 and 1.25 is $\frac{25}{100}$ = 0.25
Hence, the correct answer is 0.25.
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