Algebra Q#42

0. A number is selected at random from the set {l, 2, 3, ... , 50}. The probability that it is a prime, is

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Option : C
Explanation : Prime numbers from the given set are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41,43,47. ∴ Number of primes = 15 ∴ Required probability = 15/50 = 3/10 =0.3

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