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Lesson: Data Sufficiency Intermeddiate - 05

Number Properties In Data Sufficiency, continued

[Page 5 of 21]

Let's try another Number Properties question, and here's a hint. You'll want to use one of the most important GMAT math strategies, Picking Numbers. As with Problem Solving, using this great strategy will often help you to find the right answer!

Do another number properties question using your picking numbers strategy. Choose an answer, then click Continue.

If x is an integer, is 15 a factor of x?

  1. 15 is a factor of 10x
  2. 15 is a factor of 11x
Statement (1) BY ITSELF is sufficient, but statement (2) by itself is not sufficient.
Statement (2) BY ITSELF is sufficient, but statement (1) by itself is not sufficient.
Both statements TAKEN TOGETHER are sufficient, but NEITHER statement BY ITSELF is sufficient.
EACH statement BY ITSELF is sufficient.
The two statements TAKEN TOGETHER are NOT sufficient.

Countinue

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