6. GOLDMAN SACHS: "Suppose you had eight identical balls. One of them is slightly heavier and you are given a balance scale. What’s the fewest number of times you have to use the scale to find the heavier ball?
高盛集团：假设你有8个外观相同的球，其中一个比其他稍重。最少称几次你可以找出这只稍重的球？

7. UBS: "If we were playing Russian roulette and had one bullet, I randomly spun the chamber and fired but nothing was fired, would you rather fire the gun again or respin the chamber and then fire on your turn?"
瑞士联合银行：如果我们玩俄罗斯轮盘并且只有一颗子弹，我在转了弹轮之后开枪，没子弹了。轮到你时，你是打开手枪转一圈再对着自己开枪还是直接就拿着我刚开过的枪射自己呢？”

8. JANE STREET CAPITAL: "What is the smallest number divisible by 225 that consists of all 1s and 0s?"
简街资本：能被225整除，只包含0和1的最小的数字是多少？

9. GOLDMAN SACHS: "How many penguins would it take to surround the North Pole? And give 2 standard deviations from your answer?"
高盛集团：需要多少只企鹅才可以绕北极一圈？从答案里给出两个标准差。

10. MERRILL LYNCH: "Tell me about your life from kindergarten onwards."
美林证券公司：讲讲你的一生，从幼儿园开始吧。

11. GOLDMAN SACHS: "If you were shrunk to the size of a pencil and put in a blender, how would you get out?"
高盛集团：如果你被压缩到只有铅笔那么大，然后放进了搅拌机，你如何逃出来？

12. BLACKROCK: "What's the √.1?"
贝莱德房地产：√.1是什么？