# Find out the average of first 15 odd numbers

**Answer: (4) 15**

**Explanation:-**

The first 15 odd numbers are 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29,

The sum of odd numbers = (n )^{2
}Where, n – number the odd numbers.Then, Sum of first 15 odd numbers = (15)^{2}

= (15)^{2}

= 225

Then, the average of first 15 odd numbers = 225/15

= 15

Hence, the answer is (4) 15.