The original thread is now closed apparently.

Anyway, this weeks puzzle is quite easy.Just one formula but it may cause a few moments of amusement :-

A 1x1 square grid can be made using 4 matchsticks

A 2x2 square grid can be made using 12 matchsticks.

The question is always something to do with 700!!

Anyway, this weeks puzzle is quite easy.Just one formula but it may cause a few moments of amusement :-

A 1x1 square grid can be made using 4 matchsticks

A 2x2 square grid can be made using 12 matchsticks.

**How many matchsticks do you need to make a 700x700 square grid?**The question is always something to do with 700!!