Source: Official Guide for the GMAT 12th Ed. Section 6.3 Data Sufficiency; #53

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What is the value of the expression above?

(n-x)+(n-y)+(n-z)+(n-k) What is the value of the expression above? (1) The average (arithmetic mean) of x, y, z and k is n. (2) x, y, z and k are consecutive integers. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient., Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient., BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient., EACH statement ALONE is sufficient., Statements (1) and (2) TOGETHER are not sufficient.

1 Explanation

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Gravatar Mike McGarry, Magoosh Tutor

Nov 12, 2012 • Comment

Benjamin Putnam

This video needs to be redone :)

Apr 25, 2014 • Reply

Kevin Rocci, Magoosh Tutor

Hi Benjamin! Thanks for point this out! I told our team and we'll work on recording a new video. :)

May 1, 2014 • Reply

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Section 6.3 Data Sufficiency

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