Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Average of odd numbers till a given odd number?
The average of odd numbers till a given odd number is a simple concept. You just need to find odd numbers till that number then take their sum and divide by the number.
If average of odd number till n is to be found. Then we will find odd numbers from 1 to n add then divide it by the number of odd number.
Example
Average of odd number till 9 is 5 i.e.
1 + 3 + 5 + 7 + 9 = 25 => 25/5 = 5
There are two methods for calculating the average of odd number till n which is an odd number.
- Using Loops
- Using Formula
Program to find the average of odd number till n using loops
To calculate the average of odd numbers till n, we will add all numbers till n and then divide in by the number of odd number till than.
Program to calculate the average of odd natural numbers till n −
Example Code
#include <stdio.h>
int main() {
int n = 15,count = 0;
float sum = 0;
for (int i = 1; i <= n; i++) {
if(i%2 != 0) {
sum = sum + i;
count++;
}
}
float average = sum/count;
printf("The average of odd numbers till %d is %f",n, average);
return 0;
}Output
The average of odd numbers till 15 is 8.000000
Program to find the average of odd numbers till n using Formula
To calculate the average of odd numbers till n we can use a mathematical formula (n+1)/2 where n is an odd number which is the given condition in our problem.
Program to calculate the average of odd natural numbers till n −
Example Code
#include <stdio.h>
int main() {
int n = 15;
float average = (n+1)/2;
printf("The average of odd numbers till %d is %f",n, average);
return 0;
}Output
The average of odd numbers till 15 is 8.000000
3K+ Views
