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题库 / GMATAdvanced-DS-5
What is the number of integers that are common to both set S and set T ?
(1) The number of integers in S is 7, and the number of integers in T is 6.
(2) U is the set of integers that are in S only or in T only or in both, and the number of integers in U is 10.
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.
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【引用】U is the set of integers that are in S only or in T only or in both, and the number of integers in U is 10.。所以U是S, T的并集。
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