The tones that are separated by three octaves have a frequency ratio of :

3 : 1

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6 : 1

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8 : 1

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16 : 1

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Solution

The correct option is C $8 : 1$
Each octave is double the frequency of the previous octaves If the initial frequency is $f$
Then the final frequency $= 2 \times 2 \times 2 f = 8 f$
Thus the frequency ratio is $8 : 1$

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3 \frac{1}{3} : 4 \frac{1}{5} : 6 \frac{1}{8}

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\frac{3}{2} v

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