1470
* * * * *
That is sheer nonsense!
The correct answer is 49C6 = 49*48*47*46*45*44/(6*5*4*3*2*1) = 13,983,816
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15/49ExplanationThere are 15 prime numbers between 1 and 49 (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47). If you randomly choose one natural number from the 49 numbers between 1 and 49 inclusive, there is a 15/49 probability that it will be prime.
It is 1/13,983,816.
The number of combinations is 39*38*37*36*35 / (5*4*3*2*1) = 575757
Well 1/49 is greater than 1/50 because the smaller the fraction, the bigger the number.
there are 13,983,816 combinations.