Data Sufficiency

试题详情

题目:

Last year, in a certain housing development, the average (arithmetic mean) price of 20 new houses was $160,000. Did more than 9 of the 20 houses have prices that were less than the average price last year?
  1. Last year the greatest price of one of the 20 houses was $219,000.
  2. Last year the median of the prices of the 20 houses was $150,000.

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 ALONE is sufficient.
E、Statements (1) and (2) TOGETHER are not sufficient.

答案:

B

提问:

这个题第一个条件从哪里开始思考比较好?看了OG的解析感觉有点啰嗦。隐约觉得不充分但是没有具体的思路。第二个条件,OG解析没看懂。
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