ProblemS of the Day

# (Assigned) Topic Solution

#15 (11/18/04)

The Half-Arrow Frieze 11/23/04

#14 (11/16/04)

Cayley Table for the Square 11/18/04

#13 (11/09/04)

Platonic Solids 11/11/04

#12 (11/04/04)

Euclid Constructions 11/09/04

#11 (11/02/04)

Voting Methods 11/04/04

#10 (10/19/04)

N versus P(N) 10/26/04

#9 (10/12/04)

Cardinality and Power Set 10/14/04

#8 (10/5/04)

Geometric Series 10/7/04
#7 (9/30/04) Modus Ponens 10/5/04
#6 (9/23/04) Knights and Knaves 9/26/04
#5 Base 5 Arithmetic Soln 1 Soln 2
#4 Primes and Perfect Numbers Soln 1 Soln 2
#3 Applications of Modular Arithmetic  
#2 Triangle Numbers Solution
#1 Poison Solution