Write the natural numbers from 2 to 12. What fraction of them are prime numbers?
Answer:
Natural numbers from 2 to 12 are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12.
Total number of natural numbers from 2 to 12 = 11
2, 3, 5, 7 and 11 are prime numbers from 2 to 12.
Total number of prime numbers from 2 to 12 = 5
Therefore,
of the numbers are prime numbers from 2 to 12.
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