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 →

Question: How many golf balls are there in Florida? . . C A P T A I N I N T E R V I E W . . Solution: To get an answer, you might start by estimating the U.S. population, then the percentage that plays golf, then the number of balls each player... Continue Reading →

Question: How many street lights are there in NYC? . . C A P T A I N I N T E R V I E W . . Solution:  Let's start by estimating lights on the ordered grid of Manhattan. Estimate the number of horizontal blocks and vertical blocks, and then the number of... Continue Reading →

Question: An apple costs 40 cents, a banana costs 60 cents, and a grapefruit costs 80 cents. How much does a pear cost? . . C A P T A I N I N T E R V I E W . . Solution: If you charge 20 cents per vowel, the two-vowel word "apple"... Continue Reading →

Question: Estimate the demand for plastic bags in the US. . . C A P T A I N I N T E R V I E W . . Solution: The trick with this question is that typical population analysis isn't enough. You must take into account residential use of plastic bags, as well... Continue Reading →

Question: How many square feet of pizza are eaten in the United States each month? . . C A P T A I N I N T E R V I E W . . Solution: First of all, you round the U.S. population to 300 million people (it's actually about 315 million but rounding... Continue Reading →