Question

What is the ratio of the number of prime numbers to the number of
composite nuinbers between the numbers 1 to 25 with 1 and 25 inclusive?


Plz some one answer this
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Answer 1

Answer:

Explanation:

The ratio of the numbers of prime numbers to the number of a composite numbers between 1 and 30 with 1 and 30 inclusive is 10 : 19

Solution:

Find the number of prime numbers from 1 to 30

Prime numbers are whole numbers greater than 1, that have only two factors (1 and the number itself)

2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Total = 10 numbers

Find the number of composite numbers from 1 to 30

A whole number that can be made by multiplying other whole numbers is called composite number

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30

Total = 19

Find the ratio of the numbers of prime numbers to the number of a composite numbers between 1 and 30 with 1 and 30 inclusive

Ratio = 10 : 19

Answer 2

Answer:

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