Lesson: Data Sufficiency Challenging - 13t03

Tough Content: Example 1, continued

[Page 13 of 24]

What does Statement 2 tell us about x? Type your answer into the Text Box and click Continue.

2) xy ? – y

Statement (2) says that x is

Use the statements in combination to establish definitive sufficiency or insufficiency. Select the correct answer and then click Continue.

If x is an odd integer, is x 3 < x 2?

1) x 3 < x 2

2) xy ? – y

  Insufficient Sufficient    

Countinue

Yes, these two statements, taken together, are sufficient to answer the question. The first tells us that x is negative, and the second tells us that it’s NOT equal to –1. That leaves x = –3, –5, etc. For all of these numbers, the answer is "Yes". This is sufficient.

Let’s try another problem with a tricky concept.

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