Question

The mean of x,x+1,x+2,x+5,x+11 and 2x+1 is 12 . Find the value of

Answer 1

The mean of x,x+1,x+2,x+5,x+11 and 2x+1 is 12 . Find the value of x I guess.

So here is your answer,

Mean = Sum of Terms / No. of terms

12 = x + x + 1 + x + 2 + x + 5 + x + 11 + 2x + 1      /   6

12 = 7x + 20 / 6

12 *6 = 7x + 20

72 = 7x + 20

72-20 =7x

52 = 7x

x = 7.42857142857

Thank you