Question

how many natural numbers are there between 10 and 20?what fraction of them are prime numbers and even numbers? Also find the product of these fractions.​

Answer 1

To Find :- How many natural numbers are there between 10 and 20 ? what fraction of them are prime numbers and even numbers ? Also find the product of these fractions.

Answer :-

→ Natural numbers between 10 and 20 are = 11, 12, 13, 14, 15, 16, 17, 18 and 19 = Total 9 .

now,

→ Prime numbers are = 11, 13 , 17 and 19 = Total 4.

so,

→ Required fraction = (4/9) .

also,

→ Even numbers are = 12, 14, 16 and 18 .

so,

→ fraction of even numbers = (4/9) .

therefore,

→ Product of these fractions = (4/9) * (4/9) = (16/81) .

Learn more :-

the average age of 30 students is 9 years if the age of their teacher is included it becomes 10 years ago the age of the...

https://brainly.in/question/15081594

Answer 2

please solve this questions

1. classify the following number has national number whole number, integer number ,natural number ,irrational number