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Source: Official Guide for the GMAT 12th Ed. Section 6.3 Data Sufficiency; #65

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How many integers are there between, but not

How many integers are there between, but not including, integers r and s? (1) s - r = 10 (2) There are 9 integers between, but not including, r + 1 and s + 1. 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.

2 Explanations

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Mike McGarry, Magoosh Tutor

Nov 12, 2012 • Comment

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Mike McGarry, Magoosh Tutor

//youtube.com/watch?v=&list=PLE1E3447F7F552BAB&index=65&feature=plpp_video

Nov 12, 2012 • Comment

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Section 6.3 Data Sufficiency

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