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If (4a - 5b)/(4a + 5b) = 1/6, then the v...

If `(4a - 5b)/(4a + 5b) = 1/6,` then the value of a:b is

A

`7:4`

B

`7:3`

C

`4:7`

D

`3:2`

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The correct Answer is:
A
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