The probability that a number selected at random from the first 50 natural numbers is a composite number is -.
Options.
A) 17 / 25 B) 17 / 27 C) 17 / 18 D) 17 / 22 E) 17 / 09

Rationale: "the number of exhaustive events = ⁵ ⁰ c ₁ = 50 . we have 15 primes from 1 to 50 . number of favourable cases are 34 . required probability = 34 / 50 = 17 / 25 . answer : a"
Answer: A