List K consists of 5 numbers. If the average (arithmetic mean) of the first 4 numbers in list K is x, is the average of the 5 numbers equal to x?
(1) The median of the 5 numbers in list K is x.
(2) The fifth number in list K is equal to one of the first 4 numbers in list K.

Question

Examsnet · Accepted Answer

Correct Answer is :  Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

GMAT Quantitative Reasoning Practice Test 8