SSC Selection Post 2025 PYQ — Question 34

SSC Selection Post - Matriculation Level - 26th July 2025 - Shift 1 • Quantitative Aptitude • Q34

Find the average of the first n odd natural numbers.

Show answer & explanation

Correct answer: A

Explanation

The first n odd natural numbers are:

1, 3, 5, 7, ... , (2n - 1)

Their sum = n²

Average = Sum ÷ Number of terms

= n² ÷ n

= n