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[Data Sufficiency]

试题详情

题目：

Merle’s spare change jar has exactly 16 U.S. coins, each of which is a 1-cent coin, a 5-cent coin, a 10-cent coin, a 25-cent coin, or a 50-cent coin. If the total value of the coins in the jar is 288 U.S. cents, how many 1-cent coins are in the jar?
  1. The exact numbers of 10-cent, 25-cent, and 50-cent coins among the 16 coins in the jar are, respectively, 6, 5, and 2.
  2. Among the 16 coins in the jar there are twice as many 10-cent coins as 1-cent coins.

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:

D

提问：

第二个条件说的是不是应该是: 两倍的一分钟硬币等于十分硬币？2 1-cent coins= 10- cent coins?

解答：

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阅读2049
解答： 徐小梅

提问：

看May老师的精品课视频，里面说条件二有两种情况，我算了一下，觉得只有一种，就是条件一的那种情况，请问条件二有几种情况？

解答：

点赞0
阅读2000
解答： 徐小梅老师

提问：

第二个条件说的是不是应该是: 两倍的一分钟硬币等于十分硬币？2 1-cent coins= 10- cent coins?

解答：

点赞0
阅读2050
解答： 徐小梅老师

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