Q. 105.0( 2 Votes )

If the mean of five observations x, x + 2, x + 4, x + 6 and x + 8 is 11, then the value of x is
A. 5

B. 6

C. 7

D. 8

Answer :

Mean of 5 observations =



Mean = 11 (given)



5x + 20 = 55


5x = 55 – 20 = 35


x = 7.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses