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Aptitude | Probability | Question 6

  • Difficulty Level : Basic
  • Last Updated : 16 Sep, 2021

What is the probability that a number selected from numbers [1,30] is prime number?
(A) 1/3
(B) 2/7
(C) 5/9
(D) 5/30


Answer: (A)

Explanation: The number of prime number from 1 to 30 are 10 (2, 3, 5, 7, 11, 13, 17, 19, 23, 29)
Therefore the required answer is 10/30=1/3


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