Question

What fraction of natural numbers from 2 to 10 are prime numbers?

• A. $\frac{1}{9}$
• B. $\frac{2}{9}$
• C. $\frac{3}{9}$
• D. $\frac{4}{9}$

Answer 1

The correct option is D

$\frac{4}{9}$

Natural numbers from 2 to 10 are: 2, 3, 4, 5, 6, 7, 8, 9, 10

Number of Natural numbers from 2 to 10 = 9

Prime numbers from 2 to 10: 2, 3, 5, 7

Number of Prime numbers from 2 to 10 = 4

Hence, the fraction of prime numbers from 2 to 10 = $\frac{4}{9}$