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Question

Write the natural numbers from 2 to 12. What fraction of them are prime numbers?
[2 marks]

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Solution

Natural numbers from 2 to 12 are

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
[0.5 marks]

Total number of natural numbers given= 11
[0.5 marks]

Number of prime numbers = 5
[0.5 marks]

∴ Required Fraction = <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 511
[0.5 marks]


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