Below you can find some proposed solutions to the problems posted here.

This post will contain my proposed solution to Problem #021 - predicting coin tosses. The solution will be made available on the 31st of October, around 19h GMT.

This post contains my proposed solution to Problem #020 - make 24 with 3 3 8 8. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #019 - fold the alphabet. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #018 - circle of hats. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #007 - binary multiples. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #006 - stacks of beans. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #005 - number me right. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #004 - solvability of the water buckets. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #003 - a quarrel in the Shire. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #002 - a bag full of numbers. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #001 - a dancing triangle. Please do not read this solution before making a serious attempt at the problem.