Question

Write the natural number from 2 to 20 what fraction of them are prime numbers

Answer 1

Answer:

Natural Numbers From 2 to 20 are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20.

Total No.= 19

Prime Numers are 2, 3, 5, 7, 11, 13, 17, 19

Total Prime Numbers = 8

∴ Fraction of Prime numbers = $\frac{8}{19}$