Next to the side, I'm out of position, For a scientist put me in a bin, But children appear when I jump, A bad smell means success with me in. I may cause upset at the end, I can be unfriendly, or even ill, From the side is whence I shoot, Believe me, I mean to kill. ...

With inspiration from Detiva's puzzle. Find words to fit the clues. Each pair of $\text{X}$'s should be replaced with the same two letters (in order). $ \begin{gather} % custom template - reuse if you may \def\S#1#2{\Space{#1}{19px}{#2px}}\def\P#1{\V{#1em}}\def\V#1{\S{#1}{9}} \def\T{\color{whit...

This is a puzzle I invented today after noticing something strange. It is possible, however, that you've read it elsewhere in another form. A small town had a public library. The library was manned by only two people: the directory of the library, and John, the son of a local farmer. John did no...

There are nine numbers from one to nine. Each are to be used only once. Take two numbers from them to make a 2-digit number. It is multiplied by a different single digit no. to get a 2-digit number containing different numbers from the previously used numbers. Then it is added to a 2-d...

The only number I can find that seems to have some sort of a pattern is 74, but apparently that's wrong. Any thoughts?

Recently I came across an interesting puzzle (Joy of Japanese puzzles). Eight same size square sheets were placed inside a bigger square with their edges showing. See below One has to show the overlapping order in which they were placed with explanation or drawing (exploded view) I think this...

Idea from Longest word with adjacent letters on a keyboard and Longest word with adjacent letters on a keyboard (without using any letters twice) What is the longest word found in the Merriam-Webster online dictionary with NO adjacent or repeated letters, when typed on GOTO 0's keyboard? Adja...

In a complete Sudoku board, at most how many chess knights would it be possible to place on its cells with a 1 inside, so that each knight can walk in order (1, 2, 3, ..., 9) through cells numbered up to 9, no two of the knights overlapping in their trajectories?

I've recently come accross this puzzle. 2,5,8 = 122348 3,5,4 = 181224 7,4,6 = 352230 5,3,10= 203340 3,9,4 =? I was able to figure out 30**40 but couldn't proceed further. How are the middle numbers in the right related to the left ones? I'm not sure if the tags/title is apt and if this com...

Write the function that operates as stated below: In: "get" Out: "2069" In: "more" Out: “5191716" In: "insight" Out: "209912231915" Hint: First, figure out how the function works & then implement it.