Question

if the mean of x, x+2, x+4x,x+6, x+8 is 11 .find the value of x?

Answer 1

sum of given terms / number of terms = mean
there fore 9x+16/5=11
then x= 13/3

Answer 2

mean = 11
x+x+2+x+4x+x+6+x+8
.......................................... =11

5
9x+16=11

9x= 55-16
x=39/9