The inverse ratio of 3: 2: 1 is?

 The inverse ratio of 3: 2: 1 is?

A). 1:2:3

B). 2:3:1

C). 3:1:2

D). 2:3:6

The inverse ratio of $3:2:1$ is found by taking the reciprocal of each term.

$\text{Inverse Ratio}=\frac{1}{3}:\frac{1}{2}:\frac{1}{1}$

To simplify, take the LCM of the denominators (3, 2, and 1), which is 6. Multiply each term by 6:

$(\frac{1}{3}\times 6):(\frac{1}{2}\times 6):(\frac{1}{1}\times 6)$

$2:3:6$

Thus, the correct answer is **D)**

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