Question

al Find the average of the first 4 multiples of 10 ​

Answer 1

Answer:

The average of the first 4 multiples of 10 ​is 25.

Step-by-step explanation:

The average of given numbers is equal to the sum of all the values divided by the total number of values.

Given:

4 multiple of 10 = 10, 20, 30, 40

Find : Average

Formula:

Average = sum of all values ÷ total number of value

Sum of all values = (10 + 20 + 30 + 40) = 100

Total number of values = 4

So, Average = sum of all values ÷ total number of value

= 100 ÷ 4

= 25

So, the average is 25.

Answer 2

To find : average of first $4$ multiples of $10$ .

Solution :  

• Multiples are numbers obtained on multiplying certain number by integer.
• Therefore , to find average of first $4$ multiples of $10$ we first find multiples of $10$ .
• First $4$ multiples of $10$ are :  $10 , 20 ,30 , 40$
• Average is the arithmetic mean.  It is the ratio of sum of all the numbers given in data to the total number of observations.
• Formula: $Average =\frac{\text { sum of all the observations }}{\text { total of observations }}$
• Here, sum of observations = $10+ 20 + 30 + 40 = 100$
• Total number of observations $=4$
• Substituting values in above formula,

       $\begin{array}{r}\text { Average }=\frac{100}{4} \\=25\end{array}$  

Hence , average of first $4$ multiples of $10$ is $25$ .