Question

What fraction of natural numbers from 1 to 50 are prime numbers?

• A. $\frac{7}{10}$
• B. $\frac{3}{8}$
• C. $\frac{3}{10}$
• D. $\frac{5}{8}$

Answer 1

The correct option is C $\frac{3}{10}$

Prime numbers from 1 to 50 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47.
Fraction of prime numbers from 1 to 50 = 15/50 = (3$\times$5)/(10 $\times$ 5) = 3/10