Previous Level:- Lasers: The Reflection (Level $2$) Rules : There will be lasers which are shaped like an arrow. The arrows pointing in the respective direction shows where the laser goes and the colour shows the colour which it gives out. There will be boxes which are respectively coloured and ...

I was in my office, trying to officiate a disagreement between Misters Jack Daniels and Jim Beam, when the dame walked in. She wore a slinky dress and glasses so dark all I could see in them was the reflection of my five o'clock shadow, which had arrived early. Dames were trouble--I'd rather so...

In the Kingdom of Alphagonia, where the national currency is the Alpha, banknotes are available in all whole-number denominations of alphas: 1, 2, 3,... a) What is the least number of such notes a citizen of Alphagonia needs top carry in her wallet if she wishes to be certain that she will be abl...

I was looking at the Hebrew cryptic crosswords in a recent copy of the Israel newspaper ידיעות אחרונות, and I noticed that some of the clues had "(מ)" or "(ש)" — or sometimes both — appended at the end, before the letter count. They seem to be information about the clue or perhaps about the answe...

My previous puzzle The QWERTY-shortest word was solved nearly instantly by the effective puzzling community. I also believe it is because the main parameter of the puzzle 4.7 was not perferectly set. So I propose you the same puzzle with the parameter 7, length of word "puzzles". The following is...

Let's have two latin squares. When we superimpose them we obtain a 6x6 superimposed square as shown in the diagram. By visual inspection we see this contains 15 combinations and their repetitions which are the following. combinations number of repetitions 1,2 2 ...