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Interview Question

Interview(Student Candidate) White Plains, NY

How many light bulbs are sold to households in the United

  States in a year?

Interview Answer

2 Answers


There are around three hundred million people in the United States. We can assume that two thirds are adults. Let us assume three fourths of those adults are married. Each single adult or married couple represents a household. Each household consumes "X" number of light bulbs a year (I do not have a good number for this). Multiply "X" by the number of households.

Interview Candidate on Aug 11, 2011

According to 2 billion per year in the US

SPeters on May 15, 2012

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