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Question

Someone is asked to take a number from 1 to 100. The probability that the selected number is prime is:

A
15
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B
25100
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C
14
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D
1350
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Solution

The correct options are
B 25100
C 14
Total number of outcomes = 100
So, the prime numbers between 1 and 100 are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,57,61,67,71,73,79,83,89 and 97.

Therefore, the probability is 25100=14

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