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    1.為什么下水道的蓋子是圓的？ 因?yàn)榭谑菆A的
　　2.美國有多少輛汽車？

　　3.你讓工人為你工作七天，回報(bào)是一根金條。這個(gè)金一平分成相連的7段，你必須在每天結(jié)束的時(shí)候給他們一段金條如果只許你兩次把金條弄斷，你如何給你的 工人付費(fèi)？ 1，2，4

　　4.有一輛火車以每小時(shí)15公里的速度離開洛杉磯直奔紐約，另一輛火車以第小時(shí)20公里的速度從紐約開往洛杉磯。如果有一只鳥，以外30公里每小時(shí)的速度和兩輛火車現(xiàn)時(shí)啟動(dòng)，比洛杉嘰出發(fā)，碰到另輛車后返回，依次在兩輛火車來回的飛行，只到兩面輛火車相遇，請(qǐng)問，這只小鳥習(xí)行了多長距離？

6/7路程

　　5.你有兩個(gè)罐子，50個(gè)紅色彈球，50個(gè)藍(lán)色彈球，隨機(jī)選出一個(gè)罐子，隨機(jī)選取出一個(gè)彈球放入罐子，怎么給紅色彈球最大的選中機(jī)會(huì)？在你的計(jì)劃中，得到紅球的準(zhǔn)確幾率是多少？

　　6.想象你在鏡子前，請(qǐng)問，為什么鏡子中的影像可以顛倒左右，卻不能顛倒上下？因

　　7.你有四人裝藥丸的罐子，每個(gè)藥丸都有一定的重量，被污染的藥丸是沒被污染的重量+1.只稱量一次，如何判斷哪個(gè)罐子的藥被污染了？

　　8.如果你有無窮多的水，一個(gè)3夸脫的和一個(gè)5夸脫的提桶，你如何準(zhǔn)確稱出4夸脫的水？ 兩次 5-3=2剩1，，再5-1

　　9.你有一桶果凍，其中有黃色，綠色，紅色三種，，閉上眼睛選出同樣顏色的兩個(gè)，抓取同種顏色的兩個(gè)。抓取多少個(gè)就可以確定你肯定有兩個(gè)同一顏色的果凍？ 　

　　10.將汽車鑰匙插入車門，向哪個(gè)方向旋轉(zhuǎn)就可以打開車鎖？ 　

　　11.如果要你能去掉50個(gè)州的任何一個(gè)，那你去掉哪一個(gè)，為什么？

　　二、數(shù)學(xué)篇

　　1、1000!有幾位數(shù)，為什么

　　2、F(n)=1 n＞8 n＜12
　　F(n)=2 n＜2
　　F(n)=3 n=6
　　F(n)=4 n=other 　
　　使用+ - * /和sign(n)函數(shù)組合出F(n)函數(shù)
　　sign(n)=0 n=0
　　sign(n)=-1 n＜0
　　sign(n)=1 n＞0

　　3、編一個(gè)程序求質(zhì)數(shù)的和例如F(7)=1+3+5+7+11+13+17=58

　　三、智力測試篇

　　以下測試題只有5分鐘,如超過5分鐘就放棄，因?yàn)槌�過了不會(huì)被微軟錄用的。

　　test 1
　　燒一根不均勻的繩需用一個(gè)小時(shí)，如何用它來判斷半個(gè)小時(shí)？ 折起來燒就是半個(gè)小時(shí)

　　test 2

　　。。。
　　。。。 這個(gè)題會(huì)做
　　。。。

　　請(qǐng)僅用一筆畫四根直線，將上圖9各點(diǎn)全部連接。

　　test 3

　　對(duì)一批編號(hào)為1~100全部開關(guān)朝上（開）的燈進(jìn)行以下操作：

　　凡是1的倍數(shù)反方向撥一次開關(guān)；2的倍數(shù)反方向又撥一次開關(guān)；3的倍數(shù)反方向又撥一次開關(guān)。。。。。。

　　問：最后為關(guān)熄狀態(tài)的燈的編號(hào)。 1，4，9，16，25，36，47，64，81，100關(guān) 其他都開
　　
　　微軟的面試是非常嚴(yán)格的，錄取比例大約是1/60人，看完了這些題目，大家對(duì)進(jìn)入微軟有沒有信心

ENGLISH:


微軟面試題（1）



Riddles

* Why is a manhole cover round?

* How many cars are there in the USA?

* You've got someone working for you for seven days and a gold bar to pay them. The gold bar is segmented into seven connected pieces. You must give them a piece of gold at the end of every day. If you are only allowed to make two breaks in the gold bar, how do you pay your worker?

* One train leaves Los Angeles at 15mph heading for New York. Another train leaves from New York at 20mph heading for Los Angeles on the same track. If a bird, flying at 25mph, leaves from Los Angeles at the same time as the train and flies back and forth between the two trains until they collide, how far will the bird have traveled?

* You have two jars, 50 red marbles and 50 blue marbles. A jar will be picked at random, and then a marble will be picked from the jar. Placing all of the marbles in the jars, how can you maximize the chances of a red marble being picked? What are the exact odds of getting a red marble using your scheme?


* Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down?

* You have 4 jars of pills. Each pill is a certain weight, except for contaminated pills contained in one jar, where each pill is weight + 1. How could you tell which jar had the contaminated pills in just one measurement?

* If you had an infinite supply of water and a 5 quart and 3 quart pail, how would you measure exactly 4 quarts?

* You have a bucket of jelly beans. Some are red, some are blue, and some green. With your eyes closed, pick out 2 of a like color. How many do you have to grab to be sure you have 2 of the same?

* Which way should the key turn in a car door to unlock it?

* If you could remove any of the 50 states, which state would it be and why?