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Zorluk: KolayValue vs. Yes/No Data Sufficiency Decision Logic

In a GMAT Data Sufficiency 'Yes/No' question, if a statement permits multiple numerical values for a variable, but every permitted value yields a conclusive 'No' to the question stem, the statement is sufficient to answer the question.

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In GMAT Data Sufficiency 'Yes/No' questions, sufficiency requires a single, conclusive answer to the question asked. A statement that guarantees a 'No' answer under all valid cases is completely sufficient, even if the underlying variables can take on multiple numerical values.

Adım Adım Çözüm

1
Analyze the core rule of Yes/No Data Sufficiency questions.
A statement is sufficient if it leads to a definitive, unambiguous 'Yes' or a definitive, unambiguous 'No' answer.
Data Sufficiency evaluates whether the provided data leads to one consistent answer.
2
Evaluate the condition described in the statement.
Although multiple numerical values are possible, all permitted values consistently yield 'No'.
Because there are no scenario outcomes that yield 'Yes', there is zero ambiguity in answering the question stem.
3
Conclude sufficiency.
The statement is sufficient.
A consistent 'No' satisfies the requirement of data sufficiency just as effectively as a consistent 'Yes'.

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Definitive Yes/No Sufficiency Rule
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Value vs. Yes/No Data Sufficiency Decision Logic

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