A nine - digit number is formed using th...

A nine - digit number is formed using the digits 1, 2, 3, 5 and 7. The probability that the product of all digits is always 1920 is

A

`(5)/(6)`

B

`(1)/(6)`

C

`(1)/(3)`

D

`(2)/(3)`

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The correct Answer is:

A

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