Mattersight Interview Question: How much would you charge to ... | Glassdoor

Interview Question

Associate Consultant Interview(Student Candidate) Chicago, IL

How much would you charge to wash the windows in downtown?

Answer

Interview Answer

2 Answers

1

$25 per window

Anonymous on Apr 9, 2010
0

Say maybe the average building downtown has 100 windows. Suppose further that there are 200 buildings downtown. Then you have about 20,000 windows to wash.

Perhaps it takes 2 minutes to wash each window. Then you will need 20,000/2 = 10,000 minutes to wash all the windows downtown. This translates to roughly 170 hours, which working a 40 hour week will take you just over 4 weeks (4.25 weeks).

There's 52 weeks in a year, so you have worked 4/52 = 1/13 of the year. Now we need to make our numbers good to work with. Say you want 39,000 per year salary. Then you would charge 39,000/13 = 3,000 to wash all the windows in downtown.

I'm pretty sure this is how they would like you to answer these questions.

Anonymous on Jan 21, 2013

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