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If sides of triangle `A B C` are `a , ba n dc` such that `2b=a+c` then `b/c >2/3` (b) `b/c >1/3` `b/c<2` (d) `b/c<3/2`

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`a+b>c`
`2b-c+b>c`
`3b-c>c`
`3b>2c`
`b/c>2/3`
Option C is correct.
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