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?
高盛集團：假設你有8個外觀相同的球，其中一個比其他稍重。最少稱幾次你可以找出這只稍重的球？

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?"
瑞士聯(lián)合銀行：如果我們玩俄羅斯輪盤并且只有一顆子彈，我在轉了彈輪之后開槍，沒子彈了。輪到你時，你是打開手槍轉一圈再對著自己開槍還是直接就拿著我剛開過的槍射自己呢？”

8. JANE STREET CAPITAL: "What is the smallest number divisible by 225 that consists of all 1s and 0s?"
簡街資本：能被225整除，只包含0和1的最小的數字是多少？

9. GOLDMAN SACHS: "How many penguins would it take to surround the North Pole? And give 2 standard deviations from your answer?"
高盛集團：需要多少只企鵝才可以繞北極一圈？從答案里給出兩個標準差。

10. MERRILL LYNCH: "Tell me about your life from kindergarten onwards."
美林證券公司：講講你的一生，從幼兒園開始吧。

11. GOLDMAN SACHS: "If you were shrunk to the size of a pencil and put in a blender, how would you get out?"
高盛集團：如果你被壓縮到只有鉛筆那么大，然后放進了攪拌機，你如何逃出來？

12. BLACKROCK: "What's the √.1?"
貝萊德房地產：√.1是什么？