Question
Write the natural numbers from 102 to 113. What fraction of them are prime numbers?
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Solution
Natural numbers from 102 to 113:
102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113
Total number of Natural numbers from 102 to 113 = 12
Prime numbers from 102 to 113:
103, 107, 109, 113
Total number of prime numbers from 102 to 113 = 4
Hence, fraction of prime numbers from 102 to 113 =412=13
Natural numbers from 102 to 113:
102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113
Total number of Natural numbers from 102 to 113 = 12
Prime numbers from 102 to 113:
103, 107, 109, 113
Total number of prime numbers from 102 to 113 = 4
Hence, fraction of prime numbers from 102 to 113 =412=13
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