Decode and Conquer: Answers to Product Management Interviews by Lewis Lin

Author:Lewis Lin
Language: eng
Format: mobi, epub, pdf
ISBN: 9780615930411
Publisher: Impact Interview
Published: 2013-11-27T18:30:00+00:00

CANDIDATE: There are approximately 41k Gmail queries per second.

* * *

Comments: Candidate does well, especially since the interviewer hasn’t been too helpful. Methodology is reasonable, and the calculations are easy to follow.

How many iPhones are sold in the US each year?

CANDIDATE: For this question, I’d like to start with stating assumptions and then doing my top down calculations.

Starting with the assumptions:

There are approximately 315 million people in the United States.

90 percent of people have a cell phone.

Cell phone users are locked into contracts. That is, they cannot get a new phone unless they pay a penalty to break a contract. The contract is normally two years, so cell phones get replaced once every two years.

Each person buys on average 1 cell phone.

Smartphones are about 60 percent of new cell phone sales.

TheiPhone has 40 percent market share of the smartphone market.

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.