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trolley813's user avatar
trolley813's user avatar
trolley813
  • Member for 8 years, 1 month
  • Last seen this week
5 votes
Accepted

Start with a Name

1 vote

Patterns - they're everywhere!

13 votes

How can four be the half of five?

6 votes

I can be 2; I can be ∞

2 votes

Last in the alphabet on average

13 votes
Accepted

I can't remember her birthday!

10 votes
Accepted

Can a fair coin be used to simulate an arbitrary weighted coin, with on average only two flips?

1 vote

What am I? I am a group

7 votes
Accepted

Christmas tree LITSO

2 votes

The Game of MIM

20 votes
Accepted

Strange Math 2.2

2 votes
Accepted

Find the most unfortunate compact combination of coins to have in LOLandia

4 votes

Prove that sin(x) ≥ x/2, but without calculus!

4 votes

Sequence with all terms divisible by 8

0 votes
Accepted

Blood relations - who is married to whom and reads which magazines?

3 votes

Are there truly unwinnable Calculation decks?

4 votes

How many bottles can you drink?

-1 votes

A Five City Loop, starting and ending in MA

0 votes

Mastermind puzzle: 3548 has 2 correct, one in right place

7 votes

Simulating an unbiased coin with a biased one

3 votes

Consecutive number division puzzle 2

1 vote

Make 93 using 2, 0, 2, 2 and a least powerful set of operations

3 votes

On which date was Marina born?

2 votes

Clever or interesting or elegant or beautiful ways to write "80"

-1 votes

Can you find and capture a shapeshifter?

1 vote

Another puzzle with area

2 votes

Can the fugitive escape?

7 votes

Reasoning puzzle involving five friends and five departments

4 votes

Painting cells on the diagonals of a grid rectangle

7 votes

Split 1 through 6 into a product of 24 and sum of 12

1
2 3 4 5
7