作者murai111 (明镜止水)
看板GRE_Verbal
标题[计量] 几题数学
时间Mon Aug 18 00:22:09 2008
1. If x, y, z, u, v, w, t are non-zero numbers then what are the possibilites
for the terms not being zero if xyz = uvwt?
2. Perimeter of a parallelogram is given as 360
Col A: length of diagnal
Col B: some value like root 9 *27
2. If the speed of a vehicle is x/6 miles for 'y'secs
then the speed for Z miles is?
没给选项 是要用xyz来表达答案?
7. When x is divided by 12, it gives a remainder of 5.
So what is the remainder if x^2 is divided by 9?
有特定答案吗?
11. If there are 33 balls arranged in 7 boxes which of th following is true.
(i) at laest one box has more than 5
(ii) there are more than one boxes with 4
(iii) there is atlest one box empty
A. I only
B. ii only
C. i and ii
D. i and iii
不太懂...
4. Given a table with some variables as ‘u’, ‘v’, ‘r’, ‘s’ & ‘t’
whose product is even and also it is given that product of ‘uvrs’ & ‘uvr’
as even and product of ‘rs’ as odd. Which of the following options
cannot be odd?
A. R
B. s
C. t
D. u
E. v
5. Given six variables arithmetic mean as 80 and given first 3 has an average of 60 then asked to find
Col A: How many numbers of the last 3 numbers can be greater than 80
Col B: 3
这题是说後三数中大於80会有几个
当然1-3都有可能 在於can 所以应该是选D还是C?
麻烦各位了...
Q比V的压力还大....XD
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