# What is the Average of Odd Composite Numbers upto 100?

getcalc.com's odd numbers average calculator to find what is the mean or average of odd composite numbers upto 100.**57.64** is an average of odd numbers between 1 and 100 mentioned in the below table, by substituting the total sum and count of numbers in the below formula. The corresponding formulas, chart, examples & workout may help students, teachers or professionals to learn, teach or execute the average of odd numbers upto 100.

## Numbers Chart

The below is the complete list of odd numbers between 1 and 100 for user reference.

1 to 100 Odd Composite Numbers Chart (9 - 99) | |||||||||
---|---|---|---|---|---|---|---|---|---|

9 | 15 | 21 | 25 | 27 | 33 | 35 | 39 | 45 | 49 |

51 | 55 | 57 | 63 | 65 | 69 | 75 | 77 | 81 | 85 |

87 | 91 | 93 | 95 | 99 |

## How to Find the Average of Odd Composite Numbers between 1 and 100?

The below workout with step by step calculation shows how to find what is the average of odd composite numbers between 1 and 100 manually.

step 1 Address the formula, input parameters & values.

Formula: Average = Total Sum of Numbers / Total Count of Numbers

Input parameters & values:

The odd composite numbers between 1 and 100 are

9, 15, 21, 25, . . . . , 93, 95, 99

Total Count of Numbers = 25

step 2 Find the sum of odd composite numbers between 1 and 100.

sum = 9 + 15 + 21 + . . . . + 95 + 99

= 1441

step 3 Divide the sum by 25

Average = 1441/25

= 57.64

Thus, **57.64** is an average of odd composite numbers between 1 and 100.

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