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JKHA
  • Member for 3 years, 11 months
  • Last seen more than a week ago
  • France
31 votes
Accepted

What is ls Largest Number Formed by only moving two sticks in 508?

13 votes
Accepted

Multilanguage generalization of "What number is that? Asks Grandpa"

7 votes
Accepted

Prime sums in a 3x3 grid

6 votes
Accepted

Fastest draw from opening position in chess

6 votes
Accepted

A queue of countries

5 votes

Find the wrong number in the given series: 6, 12, 21, 36, 56, 81?

5 votes

Smallest integer whose first n multiples contain the digit 1

3 votes

Consecutive numbers whose digital sum in base 10 is the same as in base 2

3 votes

Create integers using 1, 2, 3, 4, 5, 6, 7 and +, -

3 votes
Accepted

Prime sums in a 3x3 grid version 2

1 vote

Village with no boys

1 vote

What is 5 equal to?

1 vote

It looks similar, but not the same

0 votes

A Maximising Puzzle Gift for my Girlfriend and I's 28th month Anniversary