The sub-triplicate ratio of 3:81

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81:3

1:3

answer is C.

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Detailed Solution

Concept-
The given ratio is 3: 81.
Divide by the common divisor of 3

since

So now we have the ratio 1: 27.
That is, the subset ratio is the ratio between the cube roots of two numbers.
For ratios, a: b is the sub-triple ratio

So the sub triplicate ratio of 1: 27 is

.
It is known that one cube root itself is 1 and 27 cube roots are 3.
This results in a sub-triple ratio of 1: 3.
Therefore, the answer is option 3.

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