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# Find the mean of the first ten even natural numbers.

**Solution:**

We have to find the mean of the first ten even natural numbers.

__Natural numbers__ are a part of the number system, including all the positive integers from 1 to infinity.

Given, the __data__ is first ten even natural numbers.

First ten even natural numbers = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20

We know, __mean__ = sum of all observations / number of observations

Sum of observations = 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20

= 30 + 30 + 30 + 20

= 110

Number of observations = 10

Mean = 110/10

= 11

Therefore, the required mean is 11.

**✦ Try This: **Find the mean of the first ten odd natural numbers.

**☛ Also Check: **NCERT Solutions for Class 7 Maths Chapter 3

**NCERT Exemplar Class 7 Maths Chapter 3 Problem 51**

## Find the mean of the first ten even natural numbers

**Summary:**

The mean of the first ten even natural numbers is 11.

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