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大家好。
第一次考,数学难度远远超出自己的想象。做得有些精神崩溃。
虽然我不怎么看机经,但想到可能会对接下来考试的同学有帮助,于是也试着记了一些。一共十五道。(也许一会儿会删掉)
Quant PS
1/x+1/y+1/z = 1
What are the possible values of x+y+z?
I. 7
II. 9
III. 11
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绿灯40s/黄灯5s/红灯45s5分钟之内 最多可以有多少秒是红灯?
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A hexagon has equal sides 面积为 54√3 . 问每一边的长。
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2的51次方 与 2的n次方乘以3的3次方 factor的个数相同 问n等于多少?
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某人集邮 4/5的邮票是加拿大邮票 在那当中3/7是1940s以前的 已知1940s后的加拿大邮票有192枚
问非加拿大邮票有多少枚
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what’s the difference between the sum of all the positive odd numbers less than 50 and the sum of all the positive even numbers less than 50?
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62岁可以领退休金,但如果将退休延迟到65岁,62-65岁的这段时间里每月可以多领 2/3 of 1 percent of the pension。某人在65岁生日那天领了350刀,问如果在62岁就退休了能领多少钱。
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简化 the square root of
x4+2x2y2+y4
——————————
x+y
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n n!
=
p p! (n-p)!
16
= ?
5
Quant DS
已知一个不等腰三角形 PQ=8, PR=4, RQ= x, 4<x<8. x等于多少时,角PRQ大于90度?
(1) x>4.5
(2) x<6.5
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x and y are positive numbers, is x > y?
(1) square root of x > y
(2) x < square root of y
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Both k and m are positive numbers, and k is a factor of m ; is m/k an even number?
(1) mk is even
(2) m+k is odd
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被7除余1,被3除余2。 在500之内有多少个这样的数?
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y=x2, ax+by+1
Intersect at exactly one point
(1) a平方=4b
(2) b平方=4a
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The set S has several numbers. Is 1 in this set?
(1) 5 is in the set S.
(2) for every number n in the set S, n-1 is also in the set S.
RC
1 Complaints on customer service / employee performance / positive and negative affectivity 相关关系
2 chimpanzee behavior : cultural variation among different sites 考得比较细,不难。
3 glass
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