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100 cards are numbered from 1 to 100. Find the probability of getting a prime number.

Answers (1)

Total prime numbers from 1 to 100 are:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

That means 25 out of 100

So probability is P (prime) = 25/100

P (prime) = 1/4

Posted by

Ravindra Pindel

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