作者little444 (胖妞妞胖)
看板GMAT
标题[计量] 两题资料充分性
时间Mon Dec 31 19:13:53 2007
1. A rectangular lot 120 feet long by 80 feet wide
is to be partitioned into 10 rectangular gardens. If
each of the gardens will have the same dimensions.
How many feet og partitioning will be needed to
seperate the gardens?
(1) One of the dimensions of each garden is to be 40
feet.
(2) One of the dimensions of each garden is to be 24
feet.
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答案 D
我认为只有的一个条件成立而已
第二个为什麽也成立？
﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍
2 What is the value of x?
(1) x^4+x^2+1=1/x^4+x^2+1
(2) x^3+x^2=0
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答案 a
可是第二个答案不是可以算出 ｘ=-１
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.129.23.2
1F：推 Rfed:2. (2)答案也可以是 0 12/31 20:14
2F：推 micron:1. (2) because 120 is a multiple of 24. Consider a 01/01 21:17
3F：→ micron:garden of 24x40, you'll get 10 gardens. 01/01 21:18