**1/3**

The prime numbers between 1 and 50 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47

Total number of primes is 15, numbers containing digit 1 is 5, so the probability is 5/15=**1/3**

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A prime number less than 50 is randomly picked, what is the probability that one of its digit will be 1?

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