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Seven digits from the numbers 1, 2, 3, 4...

Seven digits from the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 are written in random order. The probability that this seven digit number is divisible by 9 is :

A

`7/9`

B

`1/9`

C

`2/9`

D

`4/9`

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The correct Answer is:
B
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