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Question
How many natural numbers are there from 2 to 10? What fraction of them are prime numbers?
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Solution
There are total 9 natural numbers from 2 to 10. They are 2, 3, 4, 5, 6, 7, 8, 9, 10.
Out of these natural numbers, 2, 3, 5, 7 are the prime numbers.
∴ The required fraction = .
Out of these natural numbers, 2, 3, 5, 7 are the prime numbers.
∴ The required fraction = .
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