Google Interview Question: How many barbers are there in... | Glassdoor

Interview Question

Management Intern Interview(Student Candidate) Hyderabad (India)

How many barbers are there in Delhi? It was one of the

  guess estimate questions asked.

Interview Answer

2 Answers


The interviewer was looking at depth of analysis behind reaching the solutions. Exact statistical values helped make a good impression.

Interview Candidate on Apr 30, 2012

It is a typical market sizing question. Population of Delhi ~ 16 million, 50% male ~ 8 million. Haircut freq: 1/month. In a day, a barber services 3 to 4 men/hour * 10 hours = 35 men approx. In a month ~1000 men.
So, no. of barbers = 8 million/1000 = 8000 barbers!

Vikas Kumar on Dec 7, 2015

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