A number selected at random from 1 to 50. what is the probability that it is
(¡) a prime number
(¡¡) not a perfect cube
(¡¡¡) a perfect square
(¡¡¡¡) a triangular number
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4
1] 15/50
2]5/50
3]12/50
4]33/50
2]5/50
3]12/50
4]33/50
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