Question:If the ratio of `A` to `B` is `9` times the ratio of `B` to `A`, then `A/B` could be : 

A `9` 
B `3` 
C `1/3` 
D `1/9` 

+ Answer
C 

+ Explanation
`A/B = (9B)/A`

`iff A^2/B^2 = 9/1`

`iff A/B = 3/1`.

+ Report

Md. Habib Ullah

Editor, VCampus

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