Chrysler building

Question: How would you estimate the weight of the Chrysler building? . . C A P T A I N I N T E R V I E W . . Solution:  First, you would find out the dimensions of the building (height, weight, depth). This will allow you to determine the volume of the... Continue Reading →

Six matchsticks

Question: You've got six matchsticks. Arrange them so they form four equilateral triangles. . . C A P T A I N I N T E R V I E W . . Answer: The intended solution (a) is to arrange the matchsticks to form a three-sided pyramid (tetrahedron). Nearly everyone resists the idea of... Continue Reading →

Locker

Question: A high school has this ritual on the last day of school: The Students go into the hall and stand by their closed lockers. At the first blow of a whistle, the students open every locker. At the second whistle, the students close every second locker (lockers 2,4,6, etc., are slammed shut). At the... Continue Reading →

A boat

Question: You are in a boat in the exact center of a perfectly circular lake. There is a goblin on the shore of the lake. The goblin wants to do bad things to you. The goblin can't swim and doesn't have a boat. Provided you can make it to the shore — and the goblin... Continue Reading →

Segregate

Question: Imagine that we sprinkle some salt on a piece of white paper. Then we sprinkle some pepper over the salt. Now, using only a plastic comb, how would you separate the salt from the pepper? . . C A P T A I N I N T E R V I E W .... Continue Reading →

Eliminate one

Question: If you had to eliminate one of the 50 U.S. states, which one would you select? Be prepared to give specific reasons why you chose the state you did. . . C A P T A I N I N T E R V I E W . . Solution: Don’t get hung up... Continue Reading →

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