Data Sufficiency

试题详情

题目:

Is the sum of the prices of the 3 books that Shana bought less than $48 ?
  1. The price of the most expensive of the 3 books that Shana bought is less than $17.
  2. The price of the least expensive of the 3 books that Shana bought is exactly $3 less than the price of the second most expensive book.

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:

C

提问:

May老师的明星单科,结合条件1和条件2算出最便宜的书价格小于9,应该是小于14吧?
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