The mean of first $5$ odd natural numbers is

5

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{5}{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $5$
Consider the mean of the first five odd natural numbers,

$M = \frac{1 + 3 + 5 + 7 + 9}{5} = \frac{25}{5} = 5$
The idea is the sum of first n odd number is n², for find the Average of first n odd numbers so it is divide by n, hence formula is n²/n = n
Hence, this is the answer.

Suggest Corrections

Similar questions

The medians for the first 7 natural numbers (1, 2, 3, 4, 5, 6, 7) and the first 6 natural numbers (1, 2, 3, 4, 5, 6) respectively are _____ .

\frac{5 n}{9}

$1 + 3 + 5 + . . . . . + (2 n - 1) = n^{2}$ i.e., the sum of first n odd natural numbers is $n^{2}$ .

Join BYJU'S Learning Program