【GMAT考满分数据洞察DS题库】_真题_答案

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$A=\{2,3,x,y\}$

$B=\{x,y,5,6,7\}$

Two integers will be randomly selected, one integer from set $A$ and one integer from set $B$ . What is the probability that the sum of the two integers will equal $7$ ?

(1) $x=3$

(2) $y=4$

A
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D
EACH statement ALONE is sufficient.
E
Statements (1) and (2) TOGETHER are not sufficient.

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正确答案: C

正确率： 0%

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