user avatar
user avatar
user avatar
RobPratt
  • Member for 2 years, 5 months
  • Last seen this week
16 votes
2 answers
1k views

The universal ticket

9 votes
3 answers
529 views

Coloring the squares

  • 4,883
8 votes
1 answer
563 views

Symmetrical Chess Position With No Legal Moves

  • 15k
8 votes
2 answers
1k views

Spending 1374.00 US dollars in three days

4 votes
2 answers
315 views

Four pipes on a 8x8 grid

3 votes
2 answers
258 views

Finding the treasure on a square island

  • 28.8k
3 votes
1 answer
206 views

Fewest number of weighings to check if coins are correctly labelled

  • 141
1 vote
2 answers
340 views

Scheduling Meetings

  • 22.3k
1 vote
2 answers
231 views

Logical Connection Problems: which sets of statements are logically consistent? [closed]