What is the Average of Odd Numbers between 200 and 500?

The below workout with step by step calculation shows how to find what is the average of odd numbers between 200 and 500 manually.
step 1 Address the formula and input values.
Formula: Average = Total Sum of Numbers / Total Count of Numbers
Input values:
The odd numbers between 200 and 500 are
201, 203, 205, 207, . . . . , 495, 497, 499
Total Count of Numbers = 150

step 2 Find the sum of odd numbers between 200 and 500.
sum = 201 + 203 + 205 + . . . . + 497 + 499
= 52500

step 3 Divide the sum by 150
Average = 52500/150
= 350

350 is an average of odd numbers between 200 and 500.

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