Inspired by question 126115 Make the three products equal and as large as possible in case 126115 author feels this is plagiarism feel free to close Assign numbers $1 2 3 4 5 6 8 9$ (note $7$ is missing) to points $A...G.H...N$ and supplement remaining $5$ of total $14$ numbers to make all $7$ p...

A positive integer is said to be an Ecuadorean number if for some m, the sum of the first m of its n digits, m < n, is equal to the sum of all its other digits. Numbers such as 11, 134, 235, 2024 are all Ecuadorean. What is the largest gap there can be between two consecutive Ecuadorean numbers?

Puzzle I composed, the reasoning matters more than the correct answer.

You are given a grid. Some of the cells in the grid are labelled with positive numbers. You must partition the grid into triangles. There must be a triangle for each labelled cell Each cell must be completely contained within its triangle The vertices of each triangle must be intersection poin...

I took an IQ test (at https://iqcenter.net) and found some of the questions challenging. I wanted to ask if someone can provide clarification on how to solve them. Puzzle 1: Puzzle 2: Puzzle 3: My take: B. 1 hollow square and 1 filled triangle in each row. Circles in each row are always filled...

Background: As part of the entertainment at my brother's wedding - which took place in the UK on May the 4th this week - I created a puzzle hunt 'for a general audience' and a range of ages to fit with the day's Star Wars theme. The following 9 sub-puzzles were dotted about the wedding venue, eac...