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Arithmetic Aptitude :: Probability

3. The probability that a number selected at random from first 50 natural numbers is a composite number is

Answer: Option B

Explanation :

The number of exhaustive events = 50C1 = 50.
We have 15 primes from 1 to 50.
Number of favourable cases are 34.
Therefore, Required probability = 34/50 = 17/25.

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