1.

Write the natural numbers from 102 to 113. What fraction of them are prime numbers?

Answer»

Natural numbers from 102 to 113: 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113 

Prime numbers from 102 to 113: 103, 107, 109, 113 

Hence fraction of prime numbers = 4/12 = 1/3



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