作者prislin (我会练好箭)
看板GMAT
标题[计量] PP问题
时间Wed Nov 26 17:48:51 2008
第一题
In the sequence of positive numbers x1,x2,x3….,what is the value of x1?
1.xi=(xi-1)/2 for all integers / >1.
2.x5= x4/(x4+1)
ans: c
第二题
Are at least 10 percent of the people in countryX who are 65years old or
older employed?
1. In countryX 11.3percent of the population is 65years old or older.
2. In countryX of the population 65years old or older, 20 percent of the men
and 10 percent of the women are employed.
ans: b
寻求解题高手帮忙~~
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 60.248.108.76
1F：推 filley:第二题 题目求是否>=65岁人至少10%以上是被雇用的 11/27 02:10
2F：→ filley:1) 知道全部人口11.3%是>=65岁以上的人 不充分 11/27 02:11
3F：→ filley:2) 在>=65岁人口中 20%男人和10%女人是被雇用可先列式为 11/27 02:13
4F：→ filley:0.2m+0.1w m和w可以代任异数进去 假设一个最小的值是 11/27 02:14
5F：→ filley:m=0 w=1的情况下 则0.2m+0.1w=0.1 所以至少会是10% 充分选B 11/27 02:15