Data sufficiency
Decide whether the clues are enough to answer a question—not just what the answer is.
Build the habit of testing each statement separately.
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Is there enough information?
Build the habit of testing each statement separately.
x = ?
x + y = 10
y = 4
Unscored example · no round used
- Correct
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How to play
Read the question and two statements. Test statement 1 alone, then statement 2 alone. Only combine them if neither works alone. Choose which information is sufficient, then review why.
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Original practice questions, not official GMAT questions or a prediction of an exam score.
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