1000 Doors Homework Problem
51893
The security guard problem
101804
Problem concerning the use of Pigeonhole (Box) principle
53217
Multi-page equations -- problem
26898
Trouble solving two number theoretical problems
66423
Previous year Olympiad problem (polynomials)
75864
How to correct my code for solving the Josephus problem?
106673
Race Problem counting
46580
Variation on the Monty Hall Problem
4500
Brute force method of solving the cube: How many moves would it take?
53960
birthday problem - expected number of collisions
69620
Need to find the recurrence equation for coloring a 1 by n chessboard
158284
How to Solve this Arithmetic Progression Question?
377
Problem involving many squares and several variables.
57024
What's wrong with this equal probability solution for Monty Hall Problem?
2137
Find the number of ways to express 1050 as sum of consecutive integers
152333
A problem based on pigeonhole
49505
Problem 1.1.5 from Hatcher's