What is the average (arithmetic mean) of eleven consecutive integers? GMAT Explanation

What is the average (arithmetic mean) of eleven consecutive integers?

(1) The average of the first nine integers is 7
(2) The average of the last nine integers is 9

Correct Answer: D

Sorry, comments are closed for this post.

GMAT ARTICLES

CONTACT


Atlantic GMAT Tutoring

405 East 51st St.

NY, NY 10022

(347) 669-3545