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  3. How many people in Town X read neither the World newspaper nor the Globe newspap

How many people in Town X read neither the World newspaper nor the Globe newspap

游客2025-02-27  17
问题 How many people in Town X read neither the World newspaper nor the Globe newspaper?
(1) Of the 2，500 people in Town X，1，000 read no newspaper．
(2) Of the people in Town X，700 read the Globe only and 600 read the World only．
选项 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 AL ONE is sufficient．
E、Statements(1) and(2) TOGETHER are NOT sufficient．
答案 E
解析 Determine the number of people in Town X who read neither the World newspaper nor the Globe newspaper.
(1)     It is given that 1,000 of the 2,500 people in Town X read no newspaper, from which it follows that 1,500 people read at least one newspaper. It is possible that all of these 1,500 people read only the Earthy another newspaper that is read in Town X， so the number of people who read neither the World nor the Globe could be 2,500. It is also possible that all of the 1,500 people who read at least one newspaper read the World, so the number of people who read neither the World nor the Globe could be 1,000; NOT sufficient.
(2)     It is given that 600 people read only the World and 700 people read only the Globe, but there is no information about the number of people in Town X and no information about other newspapers that might be read by the people in Town X; NOT sufficient.
Neither (1) nor (2) gives information as to whether other newspapers are read by people in Town X， and without this information, the number of people who read neither the World nor the Globe cannot be determined.
The correct answer is E;
both statements together are still not sufficient.
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