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Source: Official Guide for the GMAT 12th Ed. Section 6.3 Data Sufficiency; #84

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What is the average (arithmetic mean) of

What is the average (arithmetic mean) of j and k ? (1) The average (arithmetic mean) of j + 2 and k + 4 is 11. (2) The average (arithmetic mean) of j, k, and 14 is 10. 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.

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Mike McGarry, Magoosh Tutor

Nov 12, 2012 • Comment

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Section 6.3 Data Sufficiency

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