Putnam exam - practice problems
Putnam problem sets (2009)
Problem Set 1 (09/28) - The Invariance Principle
Problem Set 2 (10/05) - Polynomials
Problem Set 3 (10/12-10/21) - Number Theory
Solutions
Problem Set 4 (10/28) - Limits and infinite series
Problem Set 5 (11/04) - Geometry
Problem Set 6 (11/11) - Inequalities
Problem Set 7 (11/18) - Pigeonhole Principle
Problem Set 8 (12/2):
A1 Putnam Problems
B1 Putnam Problems
Solutions A1
Solutions B1
Directory of Putnam problems and their solutions
Putnam problem sets (2008)
Problem Set 1 (09/10) - Some Putnam Problems
Solutions
Problem Set 2 (09/17) - Induction and Pigeonhole Principle
Solutions (part 1)
Solutions (part 2)
Problem Set 3 (09/24) - Number Theory
Solutions (part 1)
Solutions (part 2)
Problem Set 4 (10/01) - Number Theory continued
Solutions (part 1)
Solutions (part 2)
Problem Set 5 (10/08) - Algebraic identities, polynomials
Solutions
Problem Set 6 (10/15) - Summation of Series
Solutions
Problem Set 7 (10/29) - Calculus & Analysis
Solutions (part 1)
Solutions (part 2)
Problem Set 8 (11/05) - Calculus & Analysis continued
Solutions (part 1)
Solutions (part 2)
Problem Set 9 (11/12) - Recurrences
Solutions (part 1)
Solutions (part 2)
Problem Set 10 (11/19) - Inequalities
Solutions
Problem Set 11 (12/03) - Probability