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A box contains 90 discs, numbered from 1...

A box contains 90 discs, numbered from 1 to 90. If one disc is drawn at random from the box, the probability that it bears prime number less than 23 is

A

`(7)/(90)`

B

`(10)/(90)`

C

`(4)/(45)`

D

`(9)/(89)`

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