The probability that a number selected at random from the first 50 natural numbers is a composite number is  Choose the correct answer:  A) 17/22  B) 17/25  C) 17/21  D) 17/29  E) 17/98
Explanation:   The number of exhaustive events = âµâ°Câ‚ = 50.   We have 15 primes from 1 to 50.   Number of favourable cases are 34.   Required probability = 34/50 = 17/25.   Answer: 17/25
<result>B</result>
The probability that a number selected at random from the first 50 natural numbers is a composite number is