Someone is asked to take a number from 1 to 100. The probability that it is a prime is
(A) 1/5 (B) 6/25
(C) 1/4 (D) 13/50
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NCERT Exemplar - MCQ
NCERT Exemplar - MCQ
Last updated at April 16, 2024 by Teachoo
Question 17 Someone is asked to take a number from 1 to 100. The probability that it is a prime is (A) 1/5 (B) 6/25 (C) 1/4 (D) 13/50 Total numbers = 100 Prime numbers areβ¦ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97β¦ Number of prime numbers less than 100 = 25 Thus, P(getting a prime number) = (ππ’ππππ ππ πππππ ππ’πππππ )/(πππ‘ππ ππ’πππππ ) = 25/100 = π/π So, the correct answer is (c)