Data Sufficiency

试题详情

题目:

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:

老师请问:本题的条件2中,5500*0.9*adult人数-4800*0.9*children人数=4860,约简为:55*A-48*C=54,og的答案是用凑数的方法,得到人数:C和A可以是8和6,也可以是63和54,但是我在做题时不可能凑出63和54这样的答案,求问这样一个方程含有两个未知数(未知数限制为整数),要怎么凑出答案? 同类题还有见下图:[img=/resource/2017-04/17208-1492831156.png]
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