Question

5. Find the mean of first 10 even natural numbers.
6. Find the mean of x, x + 2, x + 4, x + 6 , x + 8.​

Answer 1

Answer:

(5)2+4+6+8/4

=20/4

=5

Answer 2

Answer:

5. 9

6. 5x+20÷5

Explanation:

5. Mean= Sum of the numbers÷Count of the numbers

First 10 even numbers=0,2,4,6,8,10,12,14,16,18

Mean= 0+2+4+6+8+10+12+14+16+18÷10

=90÷10=9

6. Mean = Sum of variables ÷No of variables

= x+x+2+x+4+x+6+x+8÷5

= 5x+20÷5