## Lehigh math contests, 1999-2015

Here are the problems and solutions of the Lehigh University High School math
contest for the years 1999-2015.
The 40 questions
in the contest must be answered in 2 hours without using a calculator.
2015 exam and solutions, annotated with number of top 49 people answering them correctly.

2014 exam and solutions, annotated with
number of top 49 people answering them correctly.

2013 exam and solutions, annotated with
number of top 72 people answering them correctly.

2012 exam and solutions, annotated
with
the number of people answering them correctly.

2011 exam and solutions, annotated with
number of top 46 people answering them correctly.

2010 exam and solutions, annotated with
number of top 54 people answering them correctly.

2009 exam and solutions, annotated with
number of people answering them correctly.

2008 exam and solutions, annotated with
number of people answering them correctly.

2007 exam and solutions.

2006 exam and solutions.

2005 exam and solutions.

2004 exam and solutions.(Two problems
talk about shaded regions which are not shaded on the screen. In
number 32, there is a sort of cross-shaped figure which should
be shaded, while on number 40, the small interior triangle should
be shaded.)

2003 exam and solutions.

2002 exam and solutions.

2001 exam and solutions.

2000 exam
and solutions.

1999 exam and
solutions.

Return to main page of contest