Question

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

Answer 1

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 = $\frac{4 }{12} =\frac{1}{3}$