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Goldman Sachs Programmer Analyst Interview Question

I interviewed in San Francisco, CA and was asked:
"How many square feet of pizza is eaten in the US each year?"
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Answer

Part of a Programmer Analyst Interview Review - one of 1,568 Goldman Sachs Interview Reviews

Answers & Comments

1
of 3
votes

800 billion Sq.ft

- Ankit Kotak on Jan 14, 2014
20
of 22
votes

A pizza is roughly 1 sqft. If the average american eats 1/3 of a pizza and eats pizza 3 times a month, that would mean 12sqft a year. Times 200M americans that gives you 2.4 billion sqft.

- Gonzalo on Jan 17, 2014
9
of 14
votes

Sorry, i must be stupid. I didn´t know pizza were made of feet.

- Anonymous on Jan 20, 2014
1
of 3
votes

2.4 billion

- Derek on Jan 20, 2014
6
of 6
votes

These market estimation questions are pretty common in IB and consulting; so this one is not an oddball.
The critical part is the logical reasoning used to estimate rather than how accurate you are.

Try these: how many diapers used everyday in Canada
how many commercial planes are currently flying in US air space

- truth on Jan 21, 2014
9
of 10
votes

All of them.

- Ryan H on Jan 21, 2014
1
of 2
votes

Pizza is not served in square feet in the U.S.

- w3techie on Jan 21, 2014
0
of 3
votes

If i know & see it right, Pizza's are not square in shape so sq feet is not the correct UOM (Unit of measure). Pl correct ur question in terms of circle/diameter/radius & I shall revert with the answer. Trust your question is answered.

- Prashant Sadrani on Jan 22, 2014
1
of 2
votes

Too many

- Neville on Jan 22, 2014
0
of 6
votes

Unless i am going for a pizza delivery or pizza marketting job which Goldmann Sachs is not, i would blatantly say would either of us care?

- KK on Jan 22, 2014
0
of 1
vote

Need Input

- Johnny 5 on Jan 23, 2014
0
of 3
votes

How the hell would I know ?

Let me do some research and get back to you on it.

- Anonymous on Jan 23, 2014
0
of 3
votes

MOST PIZZA IS SEVED IN THE SHAPE OF TRIANGLE (FOR A SLICE) OR IN THE SHAPE OF A CIRCLE - NEED TO DO SOME RESERACH AND THEN SOME MATH.

LET ME GET BACK TO YOU ABOUT IT.

- Anonymous on Jan 23, 2014
1
of 2
votes

Way to much lousy square feet - that's for sure.

Hungry ? What's your favorite pizza there Bossman ?

You buy - I'll fly. Whadya say ?

- Anonymous on Jan 23, 2014
1
of 1
vote

pie r squared

- Anonymous on Jan 23, 2014
0
of 0
votes

Not enough.

- Sarah on Jan 23, 2014
2
of 2
votes

Assume average pizza is 16", or 8" radius. That is 0.66 feet. Square it and mulitply by 3.1 to about (0.4)*3.1 = 1.2 ft^2. Assume 100 million families in US eating one pizza 10 times a year (this is the weakest assumption) = 100,000,000*10*1.2 = 1.2 billion square feet of pizza, +-0.3 billion.

- Dennis on Jan 24, 2014
0
of 2
votes

$38 billion
Annual pizza sales in America, according to Pizza Today

3 billion
Number of pizzas sold in the U.S. each year, according to NAPO

350
Slices of pizza sold every second, according to NAPO

46
Slices of pizza the average American eats each year, according to Packaged Facts

23
Pounds of pizza the average American eats each year

93
Percent of Americans who eat pizza at least once a month

70
Percent of Super Bowl viewers who eat at least one slice during the game

251.7 million
Pounds of pepperoni Americans consume each year

36
Percent of pizza orders that specify pepperoni as a topping

70,000
Number of pizzerias in the U.S., according to Pizza Today

24
Percent of those pizzerias owned by Pizza Hut, Domino's, or Papa John's

9,000
Number of pizzerias in New York

17
Percent of restaurants in America that are pizzerias, according to Food Industry News

40,010
Number of subscribers to Pizza Today, the leading pizza industry magazine

- Irfan Ali Chaudhry on Jan 24, 2014
0
of 0
votes

150 million square feet - Math is not the answer to your question - Google is. http://bit.ly/MoP5xR

- Nikolaj on Jan 28, 2014
0
of 0
votes

Well, I consume about 400 square ft by myself so...

- Jocelyn on Jan 29, 2014
0
of 0
votes

There are none, because I was live at Indonesia

- Adikin on Feb 2, 2014
0
of 0
votes

If I wanted the job, I'd say I would research the answer directly. If not found, I would use whatever statistics I can find.

An example would be:
(# of pizza's sold) times (average sq feet per pizza) times (average ratio of pizza eaten vs thrown away)

If I didn't want the job, I'd say "I'm going to research this, then leave for the day, score some good acid, return 24 hours later and make up a number".

- Brad on Apr 25, 2014
0
of 0
votes

Around 30 Million in India

- Surya Pratap Singh on May 31, 2014

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